Because of potential water and a source of heat, Olympus Mons has been suggested as a place to look for potential alien life; ...

"To the discerning eye, other mountains are visible—giants between 23,000 and 26,000 feet high. Not one of their slenderer ...

A new panorama from NASA's Mars Odyssey orbiter shows Arsia Mons, one of the largest volcanoes on Mars, rising above a thick ...

Why would someone living in equatorial warmth want to travel not just to the cold and forbidding roof of the world, but to its very bone-chilling top? A place where treacherous ice, swirling winds ...