The Pantheon+ Analysis: Cosmological Constraints

Abstract

We present constraints on cosmological parameters from the Pantheon+ analysis of 1701 light curves of 1550 distinct Type Ia supernovae (SNe Ia) ranging in redshift from $z=0.001$ to 2.26. This work features an increased sample size, increased redshift span, and improved treatment of systematic uncertainties in comparison to the original Pantheon analysis and results in a factor of two improvement in cosmological constraining power. For a Flat$\Lambda$CDM model, we find ${\Omega }_M=0.334\pm 0.018$ from SNe Ia alone. For a Flat$w_0$CDM model, we measure $w_0=-0.90\pm 0.14$ from SNe Ia alone, H${}_0=73.5\pm 1.1$ km s${}^{-1}$ Mpc${}^{-1}$ when including the Cepheid host distances and covariance (SH0ES), and $w_0=-0.978_{-0.031}^{+0.024}$ when combining the SN likelihood with constraints from the cosmic microwave background (CMB) and baryon acoustic oscillations (BAO); both $w_0$ values are consistent with a cosmological constant. We also present the most precise measurements to date on the evolution of dark energy in a Flat$w_0{w}_a$CDM universe, and measure $w_a=-0.1_{-2.0}^{+0.9}$ from Pantheon+ alone, H${}_0=73.3\pm 1.1$ km s${}^{-1}$ Mpc${}^{-1}$ when including SH0ES, and $w_a=-0.65_{-0.32}^{+0.28}$ when combining Pantheon+ with CMB and BAO data. Finally, we find that systematic uncertainties in the use of SNe Ia along the distance ladder comprise less than one third of the total uncertainty in the measurement of H${}_0$ and cannot explain the present "Hubble tension" between local measurements and early-Universe predictions from the cosmological model.

34 Pages, 16 Figures, 7 Tables. Published in ApJ. Comments welcome. Papers and data release here: https://pantheonplussh0es.github.io

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• Probing departures from $\Lambda$CDM by late-time datasets
• Phantom crossing or dark interaction?
• Testing the cosmic distance duality relation with baryon acoustic oscillations and supernovae data
• Two Dynamical Scenarios for Binned Master Sample Interpretation
• Revisiting the phenomenologically emergent dark energy model: is non-zero equation of state of dark matter favored by DESI DR2?
• Fundamental Physics and Cosmology with TianQin
• Quintessential Implications of the presence of AdS in the Dark Energy sector
• Analysis of the cosmological evolution parameters, energy conditions, and linear matter perturbations of an exponential-type model in $f(Q)$ gravity
• Constraining viscous fluid models in $f(Q)$ gravity with data
• Cold Dark Matter Based on an Analogy with Superconductivity
• Stable $f(Q)$ gravity model through non-trivial connection
• Exploring Alternative Cosmologies with the LSST: Simulated Forecasts and Current Observational Constraints
• Effects of anisotropy in an anisotropic extension of $w$CDM model
• Testing the consistency of early and late cosmological parameters with BAO and CMB data
• Imprint of massive neutrinos on Persistent Homology of large-scale structure
• Can acoustic and axion-like early dark energy still resolve the Hubble tension?
• Low- and high-redshift H II starburst galaxies obey different luminosity-velocity dispersion relations
• Exploring Modified Gravity: Constraints on the $\mu$ and $\Sigma$ Parametrization with WMAP, ACT, and SPT
• Constraints on Cosmological Models with Gamma-Ray Bursts in Cosmology-Independent Way
• Coupled Quintessence scalar field model in light of observational datasets
• Impact of Cosmology on Lorentz Invariance Violation Constraints from GRB Time-Delays
• An archival search for type Ia supernova siblings
• A Synthetic Roman Space Telescope High-Latitude Time-Domain Survey: Supernovae in the Deep Field
• Statistical and Observation Comparison of Weyl-Type $f(Q,T)$ Models with the $\Lambda$CDM Paradigm
• Late-Time Anisotropy Sourced by a 2-Form Field Non-Minimally Coupled to Cold Dark Matter
• Non-parametric reconstructions of cosmic curvature: current constraints and forecasts
• Investigating the $w$CDM Model with Latest DESI BAO Observations
• Magnification and evolution bias of transient sources: GWs and SNIa
• Beyond $\Lambda$CDM: Exploring a Dynamical Cosmological Constant Framework Consistent with Late-Time Observations
• Empirical Validation: Investigating the ${\Lambda }_s$CDM Model with new DESI BAO Observations
• Incompatibility of fine-structure constant variations at recombination with local observations
• ZTF SN Ia DR2: Evidence of Changing Dust Distributions With Redshift Using Type Ia Supernovae
• Constraining Parameters for the Accelerating Universe in $f(R,{\mathcal{L}}_m)$ Gravity
• Alleviating the Hubble Tension with a Local Void and Transitions of the Absolute Magnitude
• Litmus tests of the flat $\Lambda$CDM model and model-independent measurement of $H_0{r}_{\mathrm{d}}$ with LSST and DESI
• Revisiting holographic dark energy from the perspective of multi-messenger gravitational wave astronomy: future joint observations with short gamma-ray bursts
• Effects of a Late Gravitational Transition on Gravitational Waves and Anticipated Constraints
• Testing the phenomenological interacting dark energy model with gamma-ray bursts and Pantheon+ type Ia supernovae
• Addressing the $H_0$ tension through matter with pressure and no early dark energy
• What if the universe expands linearly? A local general relativity to solve the "zero active mass" problem
• Modified Teleparallel $f(T)$ Gravity, DESI BAO and the $H_0$ Tension
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• A new parametrization of Hubble function and Hubble tension
• Model-Independent Probe of Cosmic Distance Duality Relation
• Probing the Dynamics of Gaussian Dark Energy Equation of State Using DESI BAO
• Multi-field TDiff theories for cosmology
• Evidence for evolving dark energy from DESI DR2 BAO and Pantheon${}^{+}$, DES-Dovekie, and Union3
• A New Window on Dynamical Dark Energy: Combining DESI-DR2 BAO with future Gravitational Wave Observations
• Can Baby Universe Absorption Explain Dark Energy?
• On exotic objects made of dark energy and dark matter: Mass-to-radius profiles and tidal Love numbers
• An Analysis of Variance of the Pantheon+ Dataset: Systematics in the Covariance Matrix?
• Measuring the speed of light with cosmological observations: current constraints and forecasts
• Constraints on Bianchi-I type universe with SH0ES anchored Pantheon+ SNIa data
• DAmodel: Hierarchical Bayesian Modelling of DA White Dwarfs for Spectrophotometric Calibration
• Exploring parametrized dark energy models in interacting scenario
• Revisiting kink-like parametrization and constraints using OHD/Pantheon+/BAO samples
• Decay of dark energy into dark matter in a metric $f(R)$ gravity: effective running Hubble constant
• Joint Constraints on Neutrinos and Dynamical Dark Energy in Minimally Modified Gravity
• Model-Independent Reconstruction of Quintessence Potential and Kinetic Energy from DESI DR2 and Pantheon+ Supernovae
• Dynamical system analysis in modified Galileon cosmology
• From Barthel Randers Kropina Geometries to the Accelerating Universe: A Brief Review of Recent Advances in Finslerian Cosmology
• Constraining cosmological parameters using void statistics from the SDSS survey
• Is Chevallier-Polarski-Linder dark energy a mirage?
• What Prevents Resolving the Hubble Tension through Late-Time Expansion Modifications?
• Exponential quintessence with momentum coupling to dark matter
• Fast Radio Bursts as Standard Candles for Cosmology
• Type Ia supernova constraints on compact object dark matter
• Cosmological Evolution in Bimetric Gravity: Observational Constraints and LSS Signatures
• Measuring the Hubble constant through the galaxy pairwise peculiar velocity
• Updated Cosmological Constraints from 2D BAO Measurements: A New Compilation and Comparison with DESI DR2
• SN 2023adsy: A normal type Ia Supernova at z=2.9
• Impact of weak lensing on bright standard siren analyses
• Redshift-space distortion constraints on the neutrino mass and models to alleviate the Hubble tension
• Constraints on the Hubble and matter density parameters with and without modelling the CMB anisotropies
• Evidence for the dynamical dark energy with evolving Hubble constant
• The art of building a smooth cosmic distance ladder in a perturbed universe
• Teleparallel dark energy in a nonflat universe
• Accelerating behavior from dynamical system analysis parameters
• Cosmological inference from within the peculiar local universe
• Dark Energy with a Triplet of Classical U(1) Fields
• Addressing the DESI DR2 Phantom-Crossing Anomaly and Enhanced $H_0$ Tension with Reconstructed Scalar-Tensor Gravity
• Signatures of Very Early Dark Energy in the Matter Power Spectrum
• Dynamical Dark Energy and the Unresolved Hubble Tension: Multi-model Constraints from DESI 2025 and Other Probes
• Gamma-Ray Bursts Calibrated from the Observational $H(z)$ Data in Artificial Neural Network Framework
• Hawai'i Supernova Flows: A Peculiar Velocity Survey Using Over a Thousand Supernovae in the Near-Infrared
• Hint of dark matter-dark energy interaction in DESI DR2 and current cosmological dataset?
• Equality scale-based and sound horizon-based analysis of the Hubble tension
• How Much NEC Breaking Can the Universe Endure?
• Testing the local supervoid solution to the Hubble tension with direct distance tracers
• Can an Anti-de Sitter Vacuum in the Dark Energy Sector Explain JWST High-Redshift Galaxy and Reionization Observations?
• Cosmological application of the lens-redshift probability distribution with improved galaxy-scale gravitational lensing sample
• The Impact of ${\Omega }_{m0}$ Prior Bias on Cosmological Parameter Estimation: Reconciling DESI DR2 BAO and Pantheon+ SNe Data Combination Results
• Observational constraints on viscous cosmology in $f(T,L_m)$ gravity
• Bulk/boundary Modular Quintessence and DESI
• Can Hubble tension be eased by invoking a finite range for gravity?
• Probing for Lorentz Invariance Violation in Pantheon Plus Dominated Cosmology
• On the Metric $f(R)$ gravity Viability in Accounting for the Binned Supernovae Data
• Thawing Quintessence: Priors, evidence, and likely trajectories
• TDCOSMO. XXIII. Measurement of the Hubble constant from the doubly lensed quasar HE1104-1805
• Multi-messenger standard-siren cosmology for third-generation gravitational-wave detectors: forecasts considering observations of gamma-ray bursts and kilonovae
• Effective field theory of coupled dark energy and dark matter
• BayeSN and SALT: A Comparison of Dust Inference Across SN Ia Light-curve Models with DES5YR
• Effect of Peak Absolute Magnitude of Type Ia Supernovae and Sound Horizon Values on Hubble Tension using DESI results
• The Velocity Field Olympics: Assessing velocity field reconstructions with direct distance tracers
• Star-Crossed Labours: Checking Consistency Between Current Supernovae Compilations
• Viability of general relativity and modified gravity cosmologies using high-redshift cosmic probes
• Stochastic dark matter: Covariant Brownian motion from Planckian discreteness
• When Dark Matter Heats Up: A Model-Independent Search for Non-Cold Behavior
• [O II] as an Effective Indicator of the Dependence Between the Standardised Luminosities of Type Ia Supernovae and the Properties of their Host Galaxies
• Probing the Cosmic Distance Duality Relation via Non-Parametric Reconstruction for High Redshifts
• Cosmic Strings as Dynamical Dark Energy: Novel Constraints
• Dispersion in the Hubble-Lemaître constant measurements from gravitational clustering
• BBN to Late-Time Acceleration in $f(T,{\mathcal{L}}_m)$ Gravity
• Propagating Uncertainties in the SALT3 Model Training Process to Cosmological Constraints
• On the origin of the BAOtr-DESI tension
• Cosmological Evolution of Viscous Dark Energy in f(Q,C) Gravity: Two-Fluid Approach
• Role of Future SNIa Data from Rubin LSST in Reinvestigating Cosmological Models
• Lowering the Horizon on Dark Energy: A Late-Time Response to Early Solutions for the Hubble Tension
• The Reliability of Type Ia Supernovae Delay Time Distributions Recovered from Galaxy Star Formation Histories
• Non-Singular Bouncing cosmology from Phantom Scalar-Gauss-Bonnet Coupling: Reconstruction with Observational Insights
• Updated observational constraints on $\varphi$CDM dynamical dark energy cosmological models
• Estimating the feasibility of `standard speed-gun' distances
• Challenges to a sharp change in $G$ as a solution to the Hubble tension
• Angular Correlation Function from sample covariance with BOSS and eBOSS LRG
• Sound Horizon Independent Constraints on Early Dark Energy: The Role of Supernova Data
• $H_0$ Without the Sound Horizon (or Supernovae): A 2% Measurement in DESI DR1
• A model-independent measurement of the expansion and growth rates from BOSS using the FreePower method
• Logarithmic and Strong Coupling Models in Weyl-Type $f(Q,T)$ Gravity
• Stretch to stretch, dust to dust: lower-value local $H_0$ measurement from two-population modelling of type Ia supernovae
• Equivalence of Dark Energy Models: A Theoretical and Bayesian Perspective
• An Accelerating Flat FLRW Model with Observation Constraints and Dynamic $\Lambda$
• The DEHVILS in the Details: Type Ia Supernova Hubble Residual Comparisons and Mass Step Analysis in the Near-Infrared
• Hubble Tension and Dark Energy in Teleparallel Gauss-Bonnet Gravity: New Constraints from DESI BAO, Pantheon${}^{+}$ and Hubble Data
• A frequentist view on the two-body decaying dark matter model
• Constraints on Tsallis cosmology using recent low and high redshift measurements
• Reconciling cosmic dipolar tensions with a gigaparsec void
• Statistical Nuances in BAO Analysis: Likelihood Formulations and Non-Gaussianities
• Late Time Phenomena in $f(T,\mathcal{T})$ Gravity Framework: Role of $H_0$ Priors
• KiDS-Legacy: Constraints on Horndeski gravity from weak lensing combined with galaxy clustering and cosmic microwave background anisotropies
• Dark Energy Constraints from Pantheon+ Ia Supernovae Data
• Improving the Determination of Supernova Cosmological Redshifts by Using Galaxy Groups
• Cosmic expansion beyond $\Lambda$CDM: Investigating power-law and logarithmic corrections
• Quintom Dark Energy: Future Attractor and Phantom Crossing in Light of DESI DR2 Observation
• Dark matter halos modeled by polytropic spheres influenced by the relict cosmological constant and trapping polytropes forming supermassive black holes
• Is Dark Energy Changing? Probing the Universe's Expansion with present and future astronomical probes
• ParamANN: A Neural Network to Estimate Cosmological Parameters for $\Lambda$CDM Universe Using Hubble Measurements
• Testing Cotton gravity as dark matter substitute with weak lensing
• Dissipative Genesis of the Inflationary Universe
• Evaluating a Sigmoid Dark Energy Model to Explain the Hubble Tension
• Constraints on cosmological parameters and CMB first acoustic peak in conformal Killing gravity
• Beyond LambdaCDM: How the Hubble tension challenges early universe physics
• Baryon acoustic oscillations from a joint analysis of the large-scale clustering in Fourier and configuration space
• Can the angular scale of cosmic homogeneity be used as a cosmological test?
• Model-Agnostic Cosmological Inference with SDSS-IV eBOSS: Simultaneous Probing for Background and Perturbed Universe
• No evidence for local $H_0$ anisotropy from Tully--Fisher or supernova distances
• Cross-correlating radial peculiar velocities and CMB lensing convergence
• ZTF SN Ia DR2 follow-up: Exploring the origin of the Type Ia supernova host galaxy step through Si II velocities
• Do JWST reionization (optical depth) puzzle, cosmological tensions, and CMB anomalies imply Harrison-Zel'dovich spectrum?
• Consistencies and inconsistencies in redshift-independent distances
• The frozen vanilla model: Exploring dark sector interactions with delta effective theories
• Inferred Hubble Parameter from Gravitational Waves in a Perturbative Bianchi I Background
• Constraining the Hubble parameter with the 21 cm brightness temperature signal in a universe with inhomogeneities
• Characterising the Standardisation Properties of Type Ia Supernovae in the z band with Hierarchical Bayesian Modelling
• ZTF SN Ia DR2: Exploring SN Ia properties in the vicinity of under-dense environments
• ZTF SN Ia DR2: Impact of the galaxy cluster environment on the stretch distribution of Type Ia supernovae
• Model independent calibration for sound horizon combining observations of supernovae and transversal BAO measurements
• Cosmological Constraints on Neutrino Masses in a Second-Order CPL Dark Energy Model
• Role of Spatial Curvature in a Dark Energy Interacting Model
• Testing Gauss-Bonnet Gravity with DESI BAO Data
• Analysis of Pantheon+ supernova data suggests evidence of sign-changing pressure of the cosmological fluid
• The Case for Space: Estimating Precise Time Delays from Ground- and Space-Based Observations of Lensed Supernovae with Glimpse
• Testing the Constancy of Type Ia Supernova Luminosities with Gaussian Process
• Phantom scalar field cosmologies constrained by early cosmic measurements
• Particle Production Scenario in an Algebraically Coupled Quintessence Field with a Dark Matter Fluid
• Phase space analysis of an exponential model in $f(Q)$ gravity including linear dark-sector interactions
• Testing Lens Models of PLCK G165.7+67.0 Using Lensed SN H0pe
• Crosschecking Cosmic Distances from DESI BAO and DES SNe
• Cosmological Constraints on 4D Einstein-Gauss-Bonnet Gravity and Kaniadakis Holographic Dark Energy: Implications for Black Hole Shadows
• Observational tests of the conformal osculating Barthel-Kropina cosmological model
• KiDS-Legacy: Constraining dark energy, neutrino mass, and curvature
• Gravitational Foundations and Exact Solutions in $n$-Dimensional Fractional Cosmology
• Solving the inverse cosmological calibration problem of gamma-ray bursts
• Dark Acoustic Oscillations as an Early-Universe Explanation of the DESI Anomaly
• New $H(z)$ measurement at Redshift = 0.12 with DESI Data Release 1
• Dynamical Dark Energy Signatures from a New Transition $Om(z)$ Parametrization in Flat FLRW Cosmology
• A Review on Resolving the Hubble Tension via Late-Universe Physics
• Dark Matter Constraints in Myrzakulov $F(R,T)$ Gravity: A Vielbein Approach in Weitzenböck Spacetime with Observational Data
• A Relativistic Scalar Model for Fractional Interaction between Dark Matter and Gravity
• Towards a Composite Framework for Simultaneous Exploration of New Physics in Background and Perturbed Universe
• Line-of-sight effects on double source plane lenses
• The SRG/eROSITA all-sky survey: Constraints on Ultra-light Axion Dark Matter through Galaxy Cluster Number Counts
• ZTF SN Ia DR2: Improved SN Ia colors through expanded dimensionality with SALT3+
• Probing Time-Varying Dark Energy with DESI: The Crucial Role of Precision Matter Density (Ω_{m0}) Measurements
• Polytropic $f(Q)$ cosmology and its implications for the $H_0$ tension
• A step in the right direction? Analyzing the Wess Zumino Dark Radiation solution to the Hubble tension
• Probing dynamical embeddings in a five-dimensional spacetime in light of DESI BAO
• Cosmological Constraints on f(T,B) Gravity from Observations of Early and Late Universe
• Constraining nonminimal f(T) gravity from Primordial Nucleosynthesis to Late-Universe observations
• Constraint on Neutrino Statistics from Cosmological Data
• Refitting cosmological data with neutrino mass and degeneracy
• Dusty Clump Survival in Supernova Ejecta: Dust-Mediated Growth vs. Crushing by the Reverse Shock
• Early dark energy triggered by spacetime dynamics that encodes cosmic radiation-matter transition
• The Hawking Energy in a Perturbed Friedmann-Lemaître Universe
• Dynamical analysis of the redshift drift in FLRW universes
• Density perturbations in nonminimally coupled gravity: symptoms of Lagrangian density ambiguity
• Agegraphic dark energy from entropy of the anti-de Sitter black hole
• Induced cosmological anisotropy by a gauge-gravity interaction
• Brans-Dicke-like field for co-varying $G$ and $c$: observational constraints
• A semi-cosmographic approach to study cosmological evolution in phase space
• Compact Objects in 4D Einstein Gauss Bonnet Gravity A Data Based Perspective
• Faint galaxies in the Zone of Avoidance revealed by JWST/NIRCam
• Cluster optical depth and pairwise velocity estimation using machine learning
• Cosmology in warped massive gravity
• Anchors no more: Using peculiar velocities to constrain $H_0$ and the primordial Universe without calibrators
• Are dark matter and dark energy omnipresent?
• Reconstruction of Tsallis Holographic Dark Energy via Modified Non-Metric Gravity: An $f(Q,C)$ Approach
• Cosmological measurements from the CMB and BAO are insensitive to the tail probability in the assumed likelihood
• Exploring the Universe Expansion History with f(R,T) Gravity: Constraints on Cosmological Parameters
• The Dark Energy Survey Supernova Program results: Type Ia Supernova brightness correlates with host galaxy dust
• Missing Components in ΛCDM from DESI Y1 BAO Measurements: Insights from Redshift Remapping
• Detection of Unresolved Strongly Lensed Supernovae with 7-Dimensional Telescope
• Dark Energy After DESI DR2: Observational Status, Reconstructions, and Physical Models
• Conformal Killing Gravity: New Constraints from DESI DR2 BAO datasets
• Revealing some cosmological aspects of Kaniadakis entropy
• Cosmological Dynamics of Exponential Quintessence Constrained by BAO, Cosmic Chronometers, and DES-SN5YR/Pantheon+ Data
• Exploring the cosmic microwave background dipole direction using gamma-ray bursts
• CIGaRS I: Combined simulation-based inference from type Ia supernovae and host photometry
• The magnitude of the dark ages 21-cm signal in the context of existing early and late time constraints on $\Lambda$CDM
• The New Status Qvo? SN 2021qvo is Another 2003fg-like Type Ia Supernova with a Rising Light-Curve Bump
• Observational constraints on Luciano-Saridakis entropic cosmology
• SN 2025ogs: A Spectroscopically-Normal Type Ia Supernova at z = 2 as a Benchmark for Redshift Evolution
• Cosmological implications and causality in $f(R,L_m,T)$ gravity theory with observational constraints
• Neutrino mass limits and decaying dark matter: background evolution versus perturbations
• The DESI DR1 Peculiar Velocity Survey: global zero-point and $H_0$ constraints
• Geometric acceleration in $f(Q,C)$ theories
• Cosmological constraints on mass-varying dark matter
• Is it possible to separate baryonic from dark matter within the $\Lambda$-CDM formalism?
• Analytic Marginalization over Binary Variables in Physics Data
• Unifying the Dark Sector with the New Generalized Chaplygin Gas: Observational Constraints
• Systematic Light Propagation Bias from the Heliosphere and Its Impact on the Hubble Tension
• Thermodynamic reconstruction in observationally constrained dynamical dark energy models
• Testing the Anton-Schmidt dark energy model with the DESI DR2 measurements
• SN 2021pfs: A Type Ia Supernova Likely Affected by Progenitor Metallicity, as Revealed by Comparison with Its Twin Counterpart
• Sector-Resolved Bayesian Model Averaging for DESI-Era Cosmology
• Modified Cosmology from Mass-to-Horizon Relation: Background Evolution
• Modifying $\Lambda$CDM dynamics via out-of-equilibrium axions: reconciling SH0ES and DESI $H_0$ values
• No preference for generalized emergent dark energy from current cosmological data
• Revisiting the equation of state of dark energy from DESI BAO with SNe Ia and CMB
• How to embed any likelihood into SBI: Application to Planck + Stage IV galaxy surveys and Dynamical Dark Energy
• Constraints on the Modified Emergent Dark Energy Model Using DESI DR2 BAO
• Observational constraints on a modified-gravity model with an exponential function of the curvature using the expansion history, the RSD, and the Pantheon+SH0ES data
• A comparative study of emergent dark energy models
• Revisiting the CMB homogeneity scale: low multipoles removal effect and extragalactic foreground masking
• Diversity of Type Ia supernova optical light curves among different spectroscopic subclasses
• Late-Time Cosmic Acceleration from QCD Confinement Dynamics
• Geometric formulation of $k$-essence and late-time acceleration
• Viaggiu holographic dark energy in light of DESI DR2
• Testing the cosmological principle on gigaparsec scales
• Diverse reddening distributions in sight lines to type Ia supernovae
• Redshift Evolution of the HII Galaxy $L$-$\sigma$ Relation: Gaussian Process Analysis and Cosmological Implications
• Genetic algorithm demystified for cosmological parameter estimation
• Current constraints on the minimally extended varying speed of light model through the cosmic distance duality relation
• Nature-inspired optimization, the Philippine Eagle, and cosmological parameter estimation
• From Geometry to Observation: Gravitational Waves and the Raychaudhuri Equation
• Non-Commutative fluid: an alternative source of cosmic acceleration
• Constraints on AvERA Cosmologies from Cosmic Chronometers and Type Ia Supernovae
• The influence of environmental effects on Type Ia Supernovae Standardization
• A Bayesian estimator for peculiar velocity correction in cosmological inference from supernovae data
• AstronomyCalc: A python toolkit for teaching Astronomical Calculations and Data Analysis methods
• Yano-Schrödinger Hyperfluid: Cosmological Implications
• SRG/eROSITA-SDSS view on the relation between X-ray and UV emission for quasars
• Design and performance of a Collimated Beam Projector for telescope transmission measurement using a broadband light source
• Structural Limitations on Constraining the Time Evolution of Dark Energy
• Aletheia: Emulating the non-linear matter power spectrum in the context of evolution mapping
• Euclid: Optimising tomographic redshift binning for 3$\times$2pt power spectrum constraints on dark energy
• Effective $\Lambda$CDM model emerging from $f(Q,T)$ under a special EOS limit in symmetric cosmology with Bayesian and ANN observational constraints
• Bayesian and Machine-Learning Analyses of Nonminimal $f(Q)$ Gravity and $H_0$ Tension
• Slow neutrinos: non-linearity and momentum-space emulation
• Controlled Tension Forecasting: Quantifying Cross-Probe Biases in ${\omega }_0{\omega }_a$CDM
• A Spectrum of Cosmological Rips and Their Observational Signatures
• Running Hubble Constant with the Redshift as a Marker of Evolutionary Dark Energy
• Calibration-independent consistency test of BAO and SNIa data: update
• Running Einstein Constant and a Possible Vacuum State of the Universe
• Confirming the uniformity of the Hubble flow with Pantheon+ Supernovae
• Testing the cosmic distance duality relation using model-independent approach
• The Cosmic Rush Hour: Rapid Formation of Bright, Massive, Disky, Star-Forming Galaxies as Signatures of Early-Universe Physics
• Revisiting the Matter Creation Process: Observational Constraints on Gravitationally Induced Dark Energy and the Hubble Tension
• The Lambert $W$ equation of state in light of DESI BAO
• Cosmography via stellar archaeology of low-redshift early-type galaxies from SDSS
• $S_8$ from peculiar velocities: agreement with Planck for Tully--Fisher and supernovae, tension for the fundamental plane
• Exploring the Viability of $f(Q,T)$ Gravity: Constraining Parameters with Cosmological Observations
• A Quantum Genetic Algorithm with application to Cosmological Parameters Estimation
• Type Ia supernova Hubble diagrams with host galaxy photometric redshifts
• Is the $\Lambda$CDM Model in Crisis?
• FlowSN: Neural Simulation-Based Inference under Realistic Selection Effects applied to Supernova Cosmology
• Background-level reconstruction of scalar-field potentials from dark-energy histories and comparison with analytic potential families
• A new magnitude--redshift relation based on Type Ia supernovae
• Crunching, Bouncing, and Cyclical Cosmologies from Dark Sector Interactions
• Revisiting observational constraints on coupled exponential quintessence with energy and momentum transfers: degeneracy with massive neutrinos
• The BAO scale -- how standard is the standard ruler?
• Late-Transition Interacting Thawer Dark Energy: Model Definition and Benchmark Consistency Tests
• Model-independent reconstruction of cosmic thermodynamics and dark energy dynamics
• Beyond the Cosmological Constant: Breaking the Geometric Degeneracy of $f(Q)$ cosmology via Redshift-Space Distortions
• In-depth analysis of the clustering of dark matter particles around primordial black holes. Part III: CMB constraints
• Breaking Free from the Swampland of Impossible Universes through the DESI Portal
• Testing a nonlinear solution of the Israel-Stewart theory
• Constraining Spatial Curvature with Priors from Swampland Conjectures
• On the energy flow of $\lambda$ in Hořava-Lifshitz cosmology
• Comparative Study of $f(T)$ Gravity Models with Observational Constraints from \textit{OHD} and \textit{Pantheon+ datasets}
• Cosmological test of a length-preserving biconnection gravity
• Late-Time Cosmic Acceleration in Ricci-Gauss-Bonnet Gravity via Gradient Descent Optimization
• How Holographic is the Dark Energy? A Spline Nodal reconstruction approach
• Still non-accelerating: age-bias correction in supernova cosmology is robust to host-progenitor age mapping
• APES: Approximate Posterior Ensemble Sampler
• Redshift Duality with Pantheon+SH0ES in a Planck-anchored Flat $\Lambda$CDM Framework: Implications for Hubble Tension and Observational Inference
• Is Dark Energy an Effective Manifestation of Non-equilibrium Thermodynamics? -- Insights from DESI
• Resolving the Hubble Tension in the Early Dark Energy Framework with JWST and DESI Data
• The Effect of Foreground Galaxies on the Estimation of the Hubble Constant from Type Ia Supernovae
• Observational Constraints and Cosmological Dynamics of Interacting Fractional Holographic Dark Energy in Light of DESI DR2
• Kiselev black hole and the ultra-slow evaporating behavior
• Breaking the Mass-sheet Degeneracy in Time-delay Cosmology with Lensed and Unlensed Type Ia Supernovae
• Cosmic Dipoles from Large-Scale Structure Surveys
• Testing the CCC+TL cosmology with cosmic-chronometer measurements of the Hubble parameter