Science ❯ Astrobiology ❯ Search for Extraterrestrial Life

Mars Habitability

Microbial Life Evidence Geological Evidence Organic Compounds on Mars Water on Mars Ancient Life Evidence Microbial Metabolism Ancient Life on Mars Microbial Life on Mars Organic Compounds Martian Climate Fossil Preservation Liquid Water on Mars Water as a Life Ingredient Ancient Mars Conditions Mars Exploration Microbial Activity Crewed Missions Microbial Life Indicators Microbial Life Potential Biosignatures on Mars Chemical Evidence of Life Signs of Life on Mars Sulfur Discovery Jezero Crater Biosignatures in Caves Mars Sample Return

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 Shakes Free Stuck Martian Rock From Its Drill

Study Maps 153- and 226-Day Round-Trip Paths Between Earth and Mars

Curiosity Finds Most Diverse Organic Molecules Yet on Mars With First Wet-Chemistry Test

National Academies Sets Science-First Blueprint for Human Mars Missions

Perseverance Spots Iron–Nickel–Rich Rock on Mars, Raising Meteorite Suspicion

Curiosity Rover Reveals Coral-Like Rock Paposo as Ancient Mineral Vein