Arizona's Grand Canyon may be awe-inspiring, but it's just "a scratch" compared to the massive Valles Marineris Canyon on Mars. Slicing along the Martian equator for about 2,500 miles, the canyon ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Stretching 18 miles wide and averaging 4,000 feet deep, the Grand ...

A synthesis of deformation patterns within and around the Thaumasia Plateau, Mars, points to a new interpretation for regional deformation and the origin of Valles Marineris and associated outflow ...

If you’ve been to the Grand Canyon, then you probably know what it’s like to feel rather fleeting and smallish. When you stand next to this vast trench, you see an immense structure that’s been some ...

Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...

Parts of ancient Mars may have been wet for a billion years longer than scientists previously thought, a new study of images of the red planet's surface suggests. Along with Earth and the other inner ...

Labroots has rich history of examining Mars in great detail, including its suite of awesome geologic formations, stunning orbiter images, two moons, geologic and observational history, and potential ...

The European Space Agency's Mars Express orbiter has captured images of portions of the Martian Valles Marineris, the largest system of canyons in the Solar System. Valles Marineris, like many other ...

The surface of Mars has been shaped by plate tectonics in the recent past, a new study suggests, making the Red Planet perhaps a better candidate to host life than scientists had thought. Mars may ...