Science ❯ Astrobiology

Life Detection

Extraterrestrial Life Biomarkers Biosignatures Chemical Signatures Planetary Atmospheres Dimethyl Sulfide Subsurface Oceans Organic Compounds Microbial Motility Molecular Biology Molecules Mars Rover Perseverance Molecular Signatures Chemical Signals Organic Molecules Mars Missions Mars Exploration Nonbiological Processes Habitability Indicators Exoplanet Catalogs Biosignature Analysis Geochemistry Habitability Studies Chemical Activity Confidence of Life Detection Scale Mars Ice NASA Missions Mars Atmospheric Studies Research Methodologies Geological Processes Mars Research Chemical Compounds Habitability

Viking 1 at 50 Reignites Mars Life Debate and Shapes Next Missions

New analyses of Viking data with recent organic detections prompt calls for unmanned life searches to protect potential Martian biosignatures ahead of human missions.

Curiosity Finds Most Diverse Organics Yet on Mars in First-Ever Wet-Chemistry Test

Cornell Catalog Identifies 45 Rocky Exoplanets in Habitable Zones

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

NASA Confirms Pandora Exoplanet Observatory Is Healthy After Launch, Begins Commissioning

Cassini Reanalysis Finds Complex Organics From Enceladus’s Ocean in Fresh Plume Grains

Doubts Deepen Over Potential Biosignature on Exoplanet K2-18b