Mars, long admired for its rusty hue and alien deserts, may play a far greater role in shaping life on Earth than once ...

Ancient shoreline features hint that water on Mars once formed a vast ocean.

MAVEN was built to last in orbit until 2030 — that's not looking likely anymore.

This book’s strength lies in its authorship: it is not written by a physicist enthralled by the engineering challenge of Mars, nor by an astronomer predisposed to romanticizing space exploration.

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

Three weeks after the Spirit rover touched down on Mars, its twin rover, Opportunity, landed on the opposite side of the Red ...