European orbiter detects fresh hints of volcanic activity on Mars
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New evidence from gas seeping above volcanic rifts suggests Mars is not geologically dead deep inside, but merely sleeping. Fresh fissures along the Alba Mons region hint at active spots under the surface, where gases from inside the planet may be making…
A striking Mars cloud may be born from surprising physics
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Everyday Earth clouds get their start with a bit of salt or dust. Not so the Red Planet’s Arsia Mons Elongated Cloud, computer models suggest.Go to story
Oldest known Mars rock is a ‘Rosetta stone’ for the Red Planet’s watery past
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Blasted off Mars by a giant impact long ago, the meteorite Teghaza 001 eventually fell to Earth in the Sahara Desert. Now it’s revealing previously hidden chapters of Mars’s deep past Go to Story