Add Yahoo as a preferred source to see more of our stories on Google. This artist's concept depicts NASA's Mars Atmosphere and Volatile EvolutioN, or MAVEN, spacecraft near Mars. The spacecraft ...

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

A Mars spacecraft that has been orbiting the red planet for more than a decade has now been AWOL for more than a month. NASA first lost contact with its MAVEN orbiter at the beginning of December.

NASA has lost contact with one of its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars orbiter is perilously close to running out of fuel, and the third mission ...

The sudden silence of a veteran Mars spacecraft has turned a routine comet flyby into one of the most intriguing space mysteries of the year. After tracking a rare interstellar object near the Red ...

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. The orbiter, one of three zooming around Mars' atmosphere, had been working as expected before it ...

NASA has lost contact with its MAVEN spacecraft, which has been orbiting Mars for over a decade. The loss of signal occurred on Dec. 6 as the orbiter passed behind Mars from Earth's perspective. MAVEN ...