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 ...

When we think of large mountains or volcanoes, we often think of Mount Everest, which holds the distinction as being the tallest mountain above sea level on Earth, measuring almost 5.5 miles (8.85 km) ...

Gareth Dorrian does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Scientists have discovered frost on Mars' tallest volcano, Olympus Mons, revealing an active water cycle on the Red Planet. The frost, detected 13.5 miles above the surface, forms briefly each morning ...

Images from a European space probe reveal recent glacial deposits and lava flows on Mars that suggest the red planet is more active than many scientists had thought. The European Space Agency's Mars ...