3 papers
astro-ph.IM2025
Technosignature Searches of Interstellar Objects
James R. A. Davenport, Sofia Z. Sheikh, Steve Croft +17
With the discovery of the third confirmed interstellar object (ISO), 3I/ATLAS, we have entered a new phase in the exploration of these long-predicted objects. Though confirmed disc…
q-bio.PE2025
A reassessment of the "hard-steps" model for the evolution of intelligent life
Daniel B. Mills, Jennifer L. Macalady, Adam Frank +1
According to the "hard-steps" model, the origin of humanity required "successful passage through a number of intermediate steps" (so-called "hard" or "critical" steps) that were in…
astro-ph.IM2025
Earth Detecting Earth: At what distance could Earth's constellation of technosignatures be detected with present-day technology?
Sofia Z. Sheikh, Macy J. Huston, Pinchen Fan +5
The field of the Search for Extraterrestrial Intelligence (SETI) searches for ``technosignatures'' that could provide the first detection of life beyond Earth through the technolog…