River delta deposits in Mars' Jezero crater formed on and off for 400,000 years—long enough to record evidence of ancient life, new research shows.
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Tiny nanocardboard probes that weigh less than a fruit fly could levitate through the Martian skies to gather data.
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Jezero crater, the landing site for NASA's Mars 2020 rover, appears to harbor a mineral that could preserve signs of ancient life, researchers say.
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Submarine canyons, deep trenches under the sea, are different from those on land, researchers say. They may give us insight into the geology of Mars, too.
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A long-term trip to Mars will require new ways to make food and water. In this podcast episode, an expert explains the trip and why human waste will be key.
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