Add Yahoo as a preferred source to see more of our stories on Google. A NASA satellite has beamed back a picture of an interesting Martian rock formation. The picture looks like a giant bear. NASA has ...

A new study of the oddest cloud on Mars, which reappears every year at the Arsia Mons volcano, says that "exotic physics" is ...

Windswept piles of dust, or layers of ice? ESA's Mars Express has revisited one of Mars's most mysterious features to clarify its composition. Its findings suggest layers of water ice stretching ...

NASA’s Mars Curiosity rover has snapped thousands of pictures during the decade it has spent exploring the Martian surface, but a new image that appears to be a tantalizing open doorway on the red ...

NASA’s Curiosity rover has unveiled an incredible feature on Mars: intricate geological formations resembling giant spiderwebs, known as boxwork ridges, that stretch across the Martian surface. For ...

There is a reason that NASA's Opportunity rover explored Mars's Meridiani Planum region for 14 years: The locale could hold crucial hints about the Red Planet's early geology and environment. The ...

These tiny mineral formations give us a close-up look at the details of the surface of Mars as seen by NASA’s Curiosity rover. Hello, beautiful! NASA’s Curiosity rover snapped a gorgeous, delicate ...