Despite lacking moving plates, the Red planet's magmatic systems may have run for thousands of kilometers.

For years, Mars has sat in an awkward middle ground, too geologically quiet to look like Earth. At the same time, it is too complex to be written off as a dead world of simple basalt.

Add Yahoo as a preferred source to see more of our stories on Google. An artist's illustration of what a terraformed Martian landscape might look like. Mark Stevenson/Stocktrek Images via Getty Images ...

Despite its dry, dusty surface and thinner atmosphere, Mars may have more in common with Earth than scientists previously thought. In a new study, researchers at the University of Rochester—including ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to [email protected]. Is it possible that one day we could make Mars like Earth? -- ...

Before we get to Mars, we're going to have to practice. And develop radical leaps in technology, but also practice. A Mars mission will be utterly unlike anything attempted by humanity. We're talking ...

A geologist has revealed intriguing insights into the volcanic activity on Mars. He proposes that Mars has significantly more diverse volcanism than previously realized, driven by an early form of ...

Half a century after the first successful Mars landing, Viking's greatest legacy may be the questions it taught us to ask.

A shattered asteroid may have unleashed a long-lasting cosmic barrage that left scars across the inner solar system and ...

In 2011, when NASA faced a crisis due to the retirement of the Space Shuttle program, a speech by a female scientist drew ...

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