Ground-penetrating radar reveals a long-lost river system hidden under the surface of Mars. (NASA/JPL/UCLA/UiO/ETH Zurich) Far away, alone in a crater on a planet inhabited only by robots, NASA's ...

With its hills and distant mountains, the landscape seems somehow familiar yet at the same time eerily alien. The striking image was captured just recently by NASA’s Curiosity rover as it continues ...

Mars’s Coloe Fossae reveals a landscape shaped by ancient ice ages, with deep valleys, cratered terrain, and frozen debris flows preserved from a time when the planet’s climate dramatically shifted.

NASA’s Mars Reconnaissance Orbiter (MRO) has made a historic leap in its mission to understand the Red Planet. With its HiRISE camera now having captured its 100,000th image, this milestone provides ...