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

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

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

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

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

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 ...

From arachnid-like formations and mysterious blobs to an underground ocean and a giant volcano, here are our 10 favorite things scientists discovered on Mars this year.

Some of the more notable debris on Mars includes pieces of the Viking landers, heat shields, pieces of insulation and, more ...

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

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 ...

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