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64 million years ago, a Tyrannosaurus rex is hunting in what will one day become Montana. At the exact same time, millions of miles away on Mars, a volcano is erupting, sending rivers of glowing lava ...

In a pioneering study presented by Connor Bunn and Pascal Lee of the SETI Institute at the 57th Lunar and Planetary Science ...

How did young volcanoes on Mars form? This is what a recent study published in the journal Geology hopes to address as a team of scientists investigated the complex geological processes responsible ...

We've spent decades scratching the surface of Mars trying to uncover life there. But we've been searching a barren wasteland ...

Noticeable change on Mars often takes millions of years—but the European Space Agency's Mars Express has captured a blanket ...

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Boulder, Colo., USA: What appears to be a single volcanic eruption is often the result of complex processes operating deep beneath the surface, where magma moves, evolves, and changes over long ...

A new image shows a striking contrast between Mars' desert-like terrain against dark deposits of volcanic ash.