Mars may have once possessed an ocean at least as large as Earth's Arctic Ocean, a new study suggests. Previous research ...

Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

MARS was not always the beaming red we’re so used to seeing in space. Scientists have revealed that it was actually a “blue ...

For nearly two decades, the Mars Reconnaissance Orbiter has captured ultra-high-definition images of Valles Marineris, Mars’ ...

New research suggests Mars was once a blue planet, as scientists identify river deltas and signs of a vast ancient ocean on ...

Unlike the planet Mars, Cornish Mars attracts visitors daily, and is even pinned on Google Maps with its Martian nickname.

A planetary scientist who has participated in analog missions describes their value for planning space exploration – and ...

It looks like NASA's Mars Sample Return mission has come to a bureaucratic end. The mission was to be the crowning ...