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 ...

Rain will probably never fall on Mars’ giant volcano, Olympus Mons (our condolences to the MMC). But a glittering swath of frost covers the Martian mountaintop on chilly mornings, according to new ...

Olympus Mons, the highest known peak in the solar system, dominates the Martian landscape, adding to the planet's mystique. Recent geological data reveals that it had a fascinating history as a ...

A view of sandy-colored striations on Mars' surface. Toward the top left looks to be a deep crater. The case for Martian volcanoes soaring above ancient, vanished oceans keeps getting stronger. While ...

Massive Martian volcano Olympus Mons today covers an area about the size of Arizona. Scientists think it’s so big because the gravity on Mars is only about a third of that on Earth and because the ...

Scientists are positing that Mars’ giant Olympus Mons volcano, which is roughly the size of France, may once have been an island — a finding that could further the search for water and even signs of ...

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 ...

Mars is about 140 million miles from our cozy planet. A human mission to that cold, rocky neighbor would mean being away from Earth for about 3 years. But the things those explorers would see and ...

Imagine a volcanic island about the size of France and over 20,000 metres high. Such a landscape may once have existed on the planet Mars. Published in Earth and Planetary Science Letters on July 24, ...

Hundreds of individual lava flows are seen frozen in time on the flanks of Olympus Mons, the largest volcano in the Solar System. The images, taken on 21 January 2013 by ESA’s Mars Express, focus on ...