Mars is famous for its volcanoes, canyons and ancient river valleys, but some of its most active geology happens in slow ...

“The closer it is to the sun, the more a planet becomes dominated by the sun’s gravity,” Kane said. “Because Mars is farther ...

Small but mighty, the red planet — our celestial neighbor — has made Earth’s climate what it is today. Mars’ gravitational ...

Nearly 14 years ago, NASA’s Curiosity rover landed on Mars for a mission to explore the red planet and discover if it had an ...

NASA lost contact with MAVEN on Dec. 6, after the spacecraft passed behind Mars — a routine maneuver during which the planet ...

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...

Spacecraft orbiting the Red Planet have helped researchers map out an ancient coastline that surrounded a large ocean ...

A rover recently captured sounds of lightning crackling on Mars, over a decade after scientists uncovered the first evidence ...