The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

The discovery of pale, loose rocks on the Martian surface could suggest that Mars was once a much warmer world.

With its iconic rusty hue, Mars has long been called the red planet. Now, scientists may have discovered the potential source of that distinctive coloring, overturning a popular theory in the ...

Present-day Mars is a barren and inhospitable planet, but it may have once had sandy beaches and tranquil ocean vistas. According to findings published on February 24 in the Proceedings of the ...

Despite the fact that scientists have now sent more spacecraft to Mars than any other extraterrestrial planet, the world contains much more to learn—even regarding its most iconic feature.