NASA’s veteran Mars orbiter MAVEN has fallen ominously silent, cutting off a decade-long stream of atmospheric data that reshaped how scientists think about the red planet’s past. After weeks without ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Image of giant volcano on Mars captured by NASA orbiter A NASA orbiter has captured a stunning image of a giant volcano on Mars.

Add Yahoo as a preferred source to see more of our stories on Google. A NASA spacecraft that has been circling Mars for more than two decades has spotted something it never has before in well over 100 ...

Over more than a decade at Mars, the orbiter revealed how the solar wind strips away the planet’s atmosphere — and why the world lost its water.

MAVEN has circled Mars for more than a decade, exploring the planet and relaying data from robots on the surface. Reading time 2 minutes NASA has lost the signal from a Martian probe that also serves ...

NASA on Wednesday announced that its Mars Atmosphere and Volatile Evolution (MAVEN) orbiter mission has ended, almost half a year after scientists last heard from the spacecraft. All systems were ...

After nearly 20 years of operations, NASA's Mars Reconnaissance Orbiter (MRO) is on a roll, performing a new maneuver to squeeze even more science out of the busy spacecraft as it circles the Red ...

Mars may react differently when trouble arrives from two directions at once. A solar particle storm and a planet-wide dust ...

When the orbit of NASA’s Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft took it behind the Red Planet on December 6th, ground controllers expected a temporary loss of signal (LoS).

One of Mars' tallest volcanoes peeps over a thick layer of clouds, in Odyssey’s first picture of Arsia Mons peering over the Red Planet's horizon. Reading time 2 minutes Floating in orbit above Mars, ...

The Curiosity Mars rover covers a lot of ground for a robot that only moves at a max speed of .1 mph. A photo snapped recently by NASA's Mars Reconnaissance Orbiter provides a pretty cool ...