Sixty million years ago, when the Eurasian plate slammed into the Indian plate, a mountain range was born. Because these plates were of similar density, neither could sink below the other. The rocks ...

Olympus Mons, a shield volcano on Mars, is the largest volcano in the solar system, measuring approximately 370 miles in diameter and 26 kilometers in height. The formation of Olympus Mons and three ...

The Martian volcano Olympus Mons is about three times the height of Mount Everest, but it's the small details that astronomers are looking at in thinking about whether the Red Planet ever had -- or ...

If there was a “Best in the Solar System” award, Mars would win for volcanoes. Its Olympus Mons is the largest there is, at 15.5 miles tall and 300 miles wide. That’s nearly three times higher than ...

Learn more about volcanic activity on Mars and how it may have once provided vital elements to the atmosphere.

A spacecraft has delivered fantastic images of Mars, showcasing textured terrain and a lone crater near the planet’s most famous landmark. Olympus Mons is the Solar System’s largest volcano. It’s so ...

Evidence of a catastrophic landslide on the bottom portion of the giant Martian volcano Olympus Mons. Credit: ESA / DLR / FU Berlin / CC BY-SA 3.0 IGO A spacecraft orbiting Mars has captured evidence ...

HiRISE is not able to capture the entire caldera at the summit of Olympus Mons, so we try to get as many images as possible to create a potential mosaic. This image shows the northeastern rim of the ...