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 ...

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 scientists have uncovered mysterious circular formations on Mars that are captivating the scientific community. These ...

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 ...

Flying over the Martian south pole, two European satellites have spotted hundreds of 'spiders' sprouting up across a mysterious formation known as Inca City. In the south polar region of Mars lies a ...

NASA's Mars Reconnaissance Orbiter snapped a picture of a rock formation that looks remarkably like a bear. "A bear on Mars?" a release from the team analyzing the picture asked. Hardly, but the ...