While the surface of Mars looks relatively unchanging now, it wasn’t always so. The tallest mountain in the Solar System…
New research shows that Mars' Olympus Mons may have once been a volcanic island surrounding by ocean.
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NASA's InSight lander has detected many marsquakes coming from the same region, which could mean that the Red Planet still…
New research has found more evidence that Mars once experienced super-volcanoes that filled the atmosphere with ash and dust.