NASA’s fleet of Mars orbiters and rovers has transformed our understanding of the Red Planet, allowing scientists to study its surface with unprecedented precision. Equipped with cutting-edge ...

See the 2,500 mile-long (4000 km) Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: ...

Add Yahoo as a preferred source to see more of our stories on Google. This view of a region called Syrtis Major is from the 100,000th image captured by NASA’s Mars Reconnaissance Orbiter using its ...

What everyone agrees on is that NASA needs a new spacecraft capable of relaying communications from Mars to Earth. This issue ...

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 ...

How does Mars lose its water, and what can this teach scientists about the planet’s ancient past when it had much more water?

First results from NASA's Mars Reconnaissance Orbiter provide provocative new evidence that there were diverse watery habitats capable of supporting life on Mars eons ago. MRO is also finding evidence ...

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 orbiter.