"Mars’ wind has often carved odd shapes into the surface through a combination of physical and chemical weathering processes.

Add Yahoo as a preferred source to see more of our stories on Google. NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. The orbiter, one of three ...

NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven, an acronym for Mars Atmosphere and Volatile Evolution, abruptly stopped communicating with ground stations ...

NASA has lost contact with one of its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars orbiter is perilously close to running out of fuel, and the third mission ...

Add Yahoo as a preferred source to see more of our stories on Google. Mars, with its rust-hued surface, is known as the red planet for a reason. Along the way, Curiosity has made some extraordinary ...

NASA has lost contact with its MAVEN spacecraft, which has been orbiting Mars for over a decade. The loss of signal occurred on Dec. 6 as the orbiter passed behind Mars from Earth's perspective. MAVEN ...