Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...

New evidence of ancient rivers suggests Mars may have been a "blue planet," thanks to an ocean spanning its entire northern ...

See the 2,500 mile-long (4000 km) Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: NASA/MSSS/Caltech/ CTX topography: ...

It's nearly 10 times as long as the Grand Canyon, and three times as deep. But how did it form? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

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

One of the largest canyons in our Solar System carved its way through several layers of ancient volcanic eruption debris, a recent study reports. Valles Marineris is a titanic network of deep cracks ...

For nearly two decades, the Mars Reconnaissance Orbiter has captured ultra-high-definition images of Valles Marineris, Mars’ massive canyon system. Stretching over 4,000 km and plunging 7 km deep, it ...

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 ExosMars Trace Gas Orbiter detected unusually high quantities of hydrogen beneath the surface of the Valles Marineris canyon system. The water could be chemically bound to other minerals in the ...