On the Red Planet, aurorae glow green because the charged particles collide with oxygen atoms high above Mars. They may be ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

Mars is known for its barren desert landscape and dry climate. But two recent studies in the journals Nature and Science go ...

Martian mudstones contain features that NASA says are the "clearest sign of life" yet on Mars, according to new findings from ...

A rare glimpse into the wintry conditions of the Mars north polar vortex has shown that temperatures inside the vortex are ...

Roger Wiens has been a Mars explorer since he was 11 years old. He now leads the SuperCam instrument team on NASA’s Mars ...