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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A NASA spacecraft that has been circling Mars for more than two decades has spotted something it never has before in well over 100 ...

Add Yahoo as a preferred source to see more of our stories on Google. Image of giant volcano on Mars captured by NASA orbiter A NASA orbiter has captured a stunning image of a giant volcano on Mars.

Scientists know that Mars spins a little faster each year, but the cause has been a mystery. Now, a new study published Feb. 18 in the Journal of Geophysical Research: Planets suggests the reason may ...

A dazzling image taken by NASA’s 2001 Mars Odyssey orbiter shows an unprecedented view of a 12-mile-high volcano poking through clouds at dawn on the Red Planet. Arsia Mons, which dwarfs Earth’s ...

Mars’s marred surface consists of craters, canyons, and mysterious formations that hint at a complex geological past. Scientists recently studied a tantalizing feature that could shed light on the ...

How did young volcanoes on Mars form? This is what a recent study published in the journal Geology hopes to address as a team of scientists investigated the complex geological processes responsible ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above clouds before dawn. It’s twice as tall as Earth’s largest volcano.

A NASA orbiter has captured a stunning image of a giant volcano on Mars. The panorama, captured on May 2 by NASA’s Mars Odyssey orbiter, shows Arsia Mons, one of the largest volcanos on the Red Planet ...

NASA scientists say the images provide far more than just a striking never-before-seen view of the Martian geography. Studying the features detailed in Odyssey's photos could help NASA prepare for ...