A NASA spacecraft that has been circling Mars for more than two decades has spotted something it never has before in well over 100,000 orbits of the Red Planet. On a morning horizon in May, the ...

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 ...

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 ...

A NASA spacecraft that has been circling Mars for more than two decades recently spotted something it never has before in well over 100,000 orbits of the Red Planet. On a morning horizon in May, the ...

NASA's 2001 Mars Odyssey orbiter captures one of the Red Planet's biggest volcanoes peeking over clouds at dawn. When you purchase through links on our site, we may earn an affiliate commission.

A new look at an ancient volcanic blast on Mars suggests that the Red Planet was much more Earth-like billions of years ago, with abundant surface water and a relatively thick atmosphere, scientists ...

A Martian volcano once thought to be the result of a single eruption turns out to have a much more complex past. Orbital imaging and mineral data show it developed through multiple eruptive phases, ...

A 2025 satellite photo captures the stark contrast between the barren Poás volcano and the surrounding Costa Rican jungle. The volcano's super-acidic lake provides the perfect analog for studying how ...

Young Mars would have been a staggering place to explore. The Red Planet was covered in flowing rivers of both water and lava. At the time, a series of four volcanoes — Olympus Mons and the three ...

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 ...