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 ...

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 ...

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 ...

The largest volcano in the solar system, Olympus Mons, is three times as high as Everest, as wide as France and may still be active with the potential to erupt. Olympus Mons, on the planet of Mars, is ...

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 ...