ESA's Mars Express images reveal how sand-laden winds sculpt grooves, ridges, and craters in the Eumenides Dorsum region, highlighting the Red Planet's dynamic surface.

Researchers have recreated the bizarre spider-like features seen on the surface of Mars for the first time ever. The breakthrough could help unravel further mysteries surrounding the static Martian ...

Mars is tantalizingly similar to Earth in many ways, but especially in its surface features, which often resemble Earth deserts to an eerie degree. Both Earth and Mars share features such as valleys; ...

Giant, dense structures have been discovered beneath the surface of Mars and they are leaving experts both mystified and excited. The first of these, confirmed by researchers in a fascinating paper, ...

There might be a hidden ocean's worth of liquid water below the surface of Mars, seismic evidence suggests. According to a new paper published April 25 in the journal National Science Review, ...

For years, scientists have been intrigued by mysterious dark streaks running down the slopes of Martian cliffs and craters. These marks, called slope streaks and recurring slope lineae (RSLs), have ...

A six-wheeled robot wandering the rugged terrain of Mars recently came across two small tornadoes whipping around the planet's surface. In a short video released Thursday by NASA, the two dust devils ...