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Rocks collected on Mars hold key to water and perhaps life on the planet. Bring them back to Earth.
The Perseverance rover gathered sediments that can only be analyzed on Earth to retrieve more detailed information on Mars’ water history.
Politics & society
How color shapes which animals we fear — and which we protect
Research
Research
Scientists find oceans of water on Mars. It’s just too deep to tap.
Seismic data from NASA’s Insight lander indicate deep, porous rock filled with liquid water
Mind & body