However, the structure is still significantly shorter than Mars' Valles Marineris — the largest canyon in the solar system, ...

Mars is also home to Olympus Mons, the largest volcano in the Solar System. Arizona's Grand Canyon may be awe-inspiring, but it's just "a scratch" compared to the massive Valles Marineris Canyon ...

Mars; Mars Canyon Formed When Plug Was Pulled, Study Suggests. News. By Andrea Thompson published 25 August 2009 When you purchase through links on our site, we may earn an affiliate commission.

Mars' great canyon complex, Valles Marineris, dwarfs the size and splendor of Earth's own Grand Canyon. But while geologists have a formed a fairly complete picture of how the Grand Canyon formed ...

The European Space Agency’s Mars Express spacecraft captured impressive new views of Valles Marineris, the largest canyon system in the solar system.

Dec. 16 (UPI) --A European spacecraft orbiting Mars has identified a "water-rich area" about the size of the Netherlands in the heart of a canyon system that dwarfs the Earth's Grand Canyon.The ...

Mars has its own version of the Grand Canyon, and scientists have learned this dramatic feature is home to "significant amounts of water" after a discovery made by an orbiter circling the red planet.

You just need to catch a crewed spacecraft to Mars, land near a massive canyon there and go in search of hidden water. The ExoMars Trace Gas Orbiter (TGO) ...