Mars wasn't always frozen and barren. Billions of years ago it had flowing rivers, standing lakes, and possibly oceans. It ...

A person standing on the largest volcano in the solar system would never know it. Olympus Mons rises 70,000 feet over Mars on ...

Add Yahoo as a preferred source to see more of our stories on Google. Many people grow up dreaming of becoming astronauts, imagining themselves soaring through space, among the stars, where adventure ...

Deep oceans of magma once sloshed about inside the crust of Mars, seismic measurements taken by NASA's InSight mission ...

Mars is by far the most Earth-like planet in the solar system… but that's not saying much. We know that Mars once hosted oceans, rivers, lakes, streams. It had a thick, carbon-dioxide-rich atmosphere.

A former chief historian of NASA reflects on the history and future of Mars exploration Roger D. Launius The original 'Face on Mars' image taken by NASA's Viking 1 orbiter that resembled a human face ...

Earth-based experiments on iron-sulfur alloys thought to comprise the core of Mars reveal details about the planet’s seismic properties for the first time. This information will be compared to ...

PROVIDENCE, R.I. [Brown University] — Mars has captivated scientists and the public alike for centuries. One of the biggest reasons is the planet’s reddish hue, earning the third rock from the sun one ...

When I was in middle school, my biology teacher showed our class the sci-fi movie “Star Trek III: The Search for Spock.” The plot drew me in, with its depiction of the “Genesis Project” – a new ...