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 NASA spacecraft that has been circling Mars for more than two decades has spotted something it never has before in well over 100,000 orbits of the Red Planet. On a morning horizon in May, the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Arsia Mons, one of Mars' largest volcanoes, pokes out of the clouds just after dawn. | Credit: ...

Mars, our neighboring red planet, possesses some of the most extreme topographical features within our solar system. Its colossal volcanoes, canyons and impact craters offer clues into its geological ...

The wonders of our universe abound, and this week, we look back at an amazing cometary visitor, our own Earth-Moon system, and Saturn's rings. Plus, new images of the massive Olympus Mons volcano on ...

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 ...

Olympus Mons is a giant volcano on Mars. It is the tallest mountain in space. It is almost three times higher than Mount Everest. It shows us how amazing the rocks and land on Mars can be.

Young Mars would have been a staggering place to explore. The Red Planet was covered in flowing rivers of both water and lava. At the time, a series of four volcanoes — Olympus Mons and the three ...