Rising more than twice the height of Mount Everest, Olympus Mons dominates the landscape of Mars and holds the title of the ...

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 ...

The 1815 eruption produced 60 megatons of sulfur, and as a result, average global temperatures dropped by around 3°C (5.4°F).

On some Mars images, Olympus Mons does not look dramatic at first glance. It sits there quietly, a wide pale rise against ...