It [was] obvious these people were dying for some reason, but they were humans. They were just twice our size.' ...

Until recently, scientists assumed that we had already uncovered all of Mars' largest structures. But in March, scientists announced the surprise discovery of an enormous, long-dead volcano ...

The study, led by Adomas Valantinas of Brown University and published in Nature Communications, has confirmed the real reason ...

How do you celebrate? With a knockout new image showing off Mars’ massive volcanoes, rugged valleys and ethereal clouds. There’s even a special guest star: a moon. The European Space Agency ...

Mars’ thick crust may have been a hidden engine of geological activity, producing granitic magmas and sustaining underground ...

A Chinese rover found evidence of ancient beaches on Mars, suggesting the planet once had vast oceans 4 billion years ago. The discovery of sloping sand layers beneath the surface provides new ...

"Mars’ tallest volcano, Olympus Mons, appears as a prominent dark region near the top of the images, with a small white cloud at the summit that grows during the day. Olympus Mons appears dark ...

What are those mysterious holes on Mars? The holes, aka pits, are located on the flanks of ancient volcanoes in Mars's Tharsis region, the largest volcanic region on the red planet and home to ...

Scientists have identified another possible commonality between Earth and Mars: a solid inner core. Scientists have ...

Now, Mars. Photographs from the NASA Archive, a stunning new release from publisher Taschen, invites us on an extraordinary ...