Visible on the planet itself is a dark patch near the top, marking the frigid northern polar cap, where temperatures dip to ...

Olympus Mons is the largest volcano in the Solar System, however, it’s not on Earth. The massive volcano is on the surface of Mars and it’s now at the center of a recent landmark discovery.

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. As ...

The red, brown and gray hunk is about 70% larger than the next largest piece of Mars found on Earth and represents nearly 7% of all the Martian material currently on this planet, Sotheby's says.

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

Olympus Mons on Mars is the tallest mountain in the solar system, rising an astonishing 21 kilometers high, nearly two and a half times taller than Mount Everest. But its true scale isn’t just ...

NASA's Curiosity rover captured this photo as it ascended the Martian mountain Mt. Sharp. A study proposes a new explanation for why Mars is a barren desert today, despite having many similarities ...