The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

"Rootless cones form when lava flows over wet or icy ground, causing it to boil and explode," said Dundas. "The region around ...

Thousands of mounds and hills in Mars' barren northern plains are full of clay minerals, providing evidence that the rocks ...

Discoveries of clay minerals in Martian mounds by researchers indicate that Mars once had large bodies of water billions of ...

NASA has released the clearest view of Mars seen thus far, with a field of blue rocks seen on the Martian landscape on top of an ancient lake.

Mars landscape captured by the Pathfinder lander. Image source: NASA/JPL Some interesting bits of data seem to suggest that Mars’ interior is home to a mantle plume that is far more active than ...

Next time you're driving around on Mars and need to get your tire replaced, chances are good it'll look something like a ...

ESA/DLR/FU Berlin It’s beginning to look a lot like Christmas—on Mars. The otherworldly landscape is, for the most part, a distinct red hue, but recent images reveal unusual frosty features ...

Some of the more notable debris on Mars includes pieces of the Viking landers, heat shields, pieces of insulation and, more recently, parachutes and backshells from rover missions Curiosity and ...

NASA’s Curiosity Rover has been exploring Mars since 2012 and, more recently has found evidence of ice-free ancient ponds and ...

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it ...