The sudden silence of a veteran Mars spacecraft has turned a routine comet flyby into one of the most intriguing space ...

NASA is confronting a rare double setback at Mars, with one long-serving orbiter suddenly falling silent and another aging ...

NASA has lost contact with its MAVEN spacecraft that launched from Florida and has been orbiting Mars for more than a decade.

NASA’s Mars Reconnaissance Orbiter (MRO) officially went into service above the Red Planet in November 2006. The spacecraft has since spent nearly 20 years circling Earth’s closest neighbor, studying ...

NASA has lost contact with a spacecraft that's been orbiting Mars for more than a decade. Maven abruptly stopped communicating to ground stations over the weekend.

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’s longest-running Mars mission has sent back an unprecedented side view of a massive volcano rising above the Red Planet, just before dawn. On May 2, as sunlight crept over the Martian horizon, ...

NASA's Mars Reconnaissance Orbiter spacecraft has just taken its milestone 100,000th photo of the Red Planet using its ...

A NASA spacecraft that has been circling Mars for more than two decades has spotted something it never has before in well over 100,000 orbits of the Red Planet. On a morning horizon in May, the ...

NASA’s Curiosity rover appears as a dark speck in this contrast-enhanced view captured by the Mars Reconnaissance Orbiter. NASA’s Curiosity rover was trucking across the surface of Mars, heading to ...

On Christmas Eve 1968, Apollo 8 crewmembers Frank Borman, Jim Lovell, and Bill Anders made a live broadcast from orbit around the Moon.