A NASA spacecraft that has been circling Mars for more than two decades has spotted something it never has before in well over 100,000 orbits of the Red Planet. On a morning horizon in May, the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Arsia Mons, one of Mars' largest volcanoes, pokes out of the clouds just after dawn. | Credit: ...

Curiosity has been exploring the surface of Mars since 2011, but what it found inside a rock last year has changed our ...

Young Mars would have been a staggering place to explore. The Red Planet was covered in flowing rivers of both water and lava. At the time, a series of four volcanoes — Olympus Mons and the three ...

A strange, gleaming rock on Mars has jolted planetary scientists out of their routines, not because it is large or dangerous, but because it appears to be wildly out of place. The object, sitting ...

Maven, an acronym for Mars Atmosphere and Volatile Evolution, abruptly stopped communicating with ground stations on Dec. 6.

Mars’s marred surface consists of craters, canyons, and mysterious formations that hint at a complex geological past. Scientists recently studied a tantalizing feature that could shed light on the ...

A chance discovery by a NASA rover on Mars shows that the red planet has a form of lightning, which researchers had suspected ...

A new look at an ancient volcanic blast on Mars suggests that the Red Planet was much more Earth-like billions of years ago, with abundant surface water and a relatively thick atmosphere, scientists ...

Olympus Mons, a shield volcano on Mars, is the largest volcano in the solar system, measuring approximately 370 miles in diameter and 26 kilometers in height. The formation of Olympus Mons and three ...