A person standing on the largest volcano in the solar system would never know it. Olympus Mons rises 70,000 feet over Mars on ...

Mars is only about half the size of Earth, yet it carries a mountain that makes our tallest peak look almost ordinary. Olympus Mons, the giant shield volcano on the Red Planet, rises roughly 13.6 ...

In Italy, Mount Etna has reached its ninth consecutive day of volcanic activity, prompting flight cancelations.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

A dazzling image taken by NASA’s 2001 Mars Odyssey orbiter shows an unprecedented view of a 12-mile-high volcano poking through clouds at dawn on the Red Planet. Arsia Mons, which dwarfs Earth’s ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Arsia Mons, one of Mars' ...

The most active volcano in Europe is erupting as the eruption has hurled a vast black plume of volcanic material into the ...