New findings suggest that massive volcanoes played a pivotal role in shaping the early Martian landscape. We are about to explore the scientific evidence that supports this hypothesis and the ...

Astronauts train to scale a Mars volcano at an analogue site in France. Lava tubes that crisscross the Martian surface might provide sanctuaries for the first human explorers on the Red Planet. (Photo ...

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 ...

They look like a dish of lentils, or a mass of spider eggs on a leaf. But whatever they are, these tiny little brown blobs, newly-found on the surface of Mars, have left scientists baffled. New images ...