Astrobiology9- Page

Observational data on the relative surface temperatures of the Earth and Mars Ts/Ts0 (upper left panel) vs. the theoretical predictions by a few cosmological models at various values of the

Codons for the amino acids serine and alanine plus one stop codon were eliminated, requiring over 101,000 recoding events. — MRC Laboratory of Molecular Biology The genetic code, which has

IAU 404: Advancing The Search For Technosignatures Abstract submission is now open for IAU symposium #404: Advancing the Search for Technosignatures, which will take place 2-6 March 2026 online everywhere.

Under simulated Mars-like conditions, black fungus shows how life could endure harsh extraterrestrial environments. © 2025 KAUST. People have long been intrigued by the possibility of life beyond Earth and

NASA/NExSS Extraterrestrial Photosynthesis Workshop A NASA Exoplanets System Science (NExSS) WorkshopMay 15-17, 2026Heidel House, Green Lake, Wisconsin, USAPreceding AbSciCon 2026 About this workshop The prospect of obtaining light reflected from

Teaching A.I. to Detect Life — Carnegie Science A multi-institutional team co-led by Carnegie Science’s Michael L. Wong and Caleb Scharf of the NASA Ames Research Center has received a

Modelling of homogeneous accretion & multi-stage core formation (all models considering the delivery of water and carbon from the beginning of Earth accretion). Similar to Fig. 6a except that calculated

Exoplanets, -moons, -comets Status Report astro-ph.GA August 27, 2025 Velocity at infinity vs. parameter α for ejected test particles — astro-ph.EP The discovery of numerous free-floating planets (FFPs) has intensified

Illustration of the soot line and water ice line structure of protoplanetary disks, and the three chemically distinct planet archetypes. — astro-ph.EP Some low-density exoplanets are thought to be water-rich

Spectrally integrated flux maps for 3I/ATLAS observed using JWST NIRSpec: (a) scattered light from coma dust at ∼ 1.2 µm, plotted on a logarithmic scale to highlight the coma shape,