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 ...

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 ...

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 ...

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 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 ...

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.

One of Mars' tallest volcanoes peeps over a thick layer of clouds, in Odyssey’s first picture of Arsia Mons peering over the Red Planet's horizon. Reading time 2 minutes Floating in orbit above Mars, ...

Breaking space news, the latest updates on rocket launches, skywatching events and more! You are now subscribed Your newsletter sign-up was successful Want to add more newsletters? Breaking space news ...

64 million years ago, a Tyrannosaurus rex is hunting in what will one day become Montana. At the exact same time, millions of miles away on Mars, a volcano is erupting, sending rivers of glowing lava ...

Scientists compare volcanic cones on Earth and Mars to explain how gas-rich magma forms scoria cones. Spacecraft observations and Earth analog sites provide evidence of similar eruptive processes.