PASADENA, Calif. — They entered the room like rock stars coming back onstage for an encore, or like heroes returning from a war. The leaders of the team that put NASA's huge Curiosity rover safely on ...

Human colonization may still be a way off, but NASA has been exploring Mars with a series of ever-larger mobile science labs.

Such a proposal represents outside-the-box thinking for NASA, which is becoming more common under Isaacman’s leadership.

PASADENA, Calif. — A car-size NASA rover touched down on the Martian surface late Sunday night (Aug. 5), executing a stunning series of maneuvers that seem pulled from the pages of a sci-fi novel.

NASA's Curiosity rover was built for a 2-year Mars mission. Nearly 14 years later, it is still making history in Gale Crater.

3:53 p.m.: Perseverance parachute has deployed to help control its descent to Mars. The spacecraft is now traveling at subsonic speeds. Here goes! Lighting the engines on my “jetpack” for final ...

Mars has hosted a surprising number of robotic visitors, yet the question of where humans should touch down remains wide open. As engineers refine maps of potential Mars landing sites, one location ...