Olympus Mons might not look impressive in the top-down photos you've seen in the past, but a new image from NASA's Odyssey orbiter shows the gargantuan mountain from a new perspective. Earth's ...

Olympus Mons appears dark because the volcano rises up above much of the hazy atmosphere which makes the rest of the planet appear lighter," NASA said in the statement. Cloud formations on Mars.

Olympus Mons (photo: NASA/MOLA Science Team) Tharsis volcanoes Tharsis is home to 12 giant volcanoes in an area approximately 2,500 miles (4,000 km) wide. Like Olympus Mons, these volcanoes tend ...

The study suggests that the Martian mantle’s active processes might be contributing to the growth of Olympus Mons, the largest volcano in the solar system. A significant, lightweight structure ...