The mysterious anomaly is lurking beneath Tharsis Montes – a vast volcanic region which holds the largest volcano in the solar system: Olympus Mons. The new findings are so significant that they ...

With a diameter of 375 miles, Olympus Mons is part of the largest volcanic region on Mars called the Tharsis Montes. The region spans 2,500 miles across the surface of Mars and contains 12 large ...