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Science Astrobiology Search for Extraterrestrial Life

Mars Habitability

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