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's Mars Odyssey orbiter captured the first horizon view of Arsia Mons, an enormous volcano on the Red Planet. Credit: NASA / JPL-Caltech / ASU NASA’s longest-running Mars mission has sent back an ...

On November 13, 1971, Mariner 9 became the first spacecraft to orbit Mars. At the time, scientists didn't know much about 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 ...

Signals from satellites orbiting hundreds of kilometers above Earth are revealing dramatic changes deep beneath the Antarctic ...

The images, captured by the Mars Express orbiter, reveal the volcano's southeast flank with hundreds of overlapping lava ...

ORLANDO, Fla. – Mount Etna—Europe’s most active volcano—put on another dramatic show recently, spewing ash and lava that grounded flights and reminded us just how unpredictable volcanoes can be. But ...

Using data from NASA's Juno spacecraft, scientists have discovered that the solar system's most volcanic body is even hotter ...

NASA's 2001 Mars Odyssey might have concluded its primary mission more than two decades ago, but it's still racking up scientific contributions. On May 2, the orbiter obtained a never-before-seen look ...