NASA’s Curiosity rover has photographed a bizarre, coral-shaped rock on Mars, believed to have formed billions of years ago.

NASA’s long record of Martian exploration has trained the public to expect a steady stream of images and data from the Red ...

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

Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These ...

In November 2011, NASA launched a space mission to explore the planet Mars through a vehicle known as Curiosity. After a long ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly in pure water ice than they do in mixed soil samples. Ancient microbes, or ...

The initial NASA mission to Mars has yielded controversial results and may have damaged life on Mars. A study shows new findings about the Viking landers.