Science ❯ Astronomy ❯ Astrobiology ❯ Extraterrestrial Life

Mars Exploration

NASA Chief Says Agency Holds Imagery of Unexplained Objects

The admission raises political pressure for NASA to release unexplained images publicly.

New Statistical Biosignature Distinguishes Life From Nonlife

NASA-Led Study Finds Nonbiological Sources Fall Short for Curiosity’s Mars Organics

NASA Unveils Multi‑Mission Views of Interstellar Comet 3I/ATLAS

Perseverance’s ‘Leopard-Spot’ Rock Tagged a Potential Biosignature as Fresh Skepticism Surfaces

Perseverance Detects Potential Biosignature in Jezero Crater Rock