Among the many discoveries by NASA’s Mars Reconnaissance Orbiter since the mission was launched on Aug. 12, 2005, are seasonal flows on some steep slopes. These flows have a set of characteristics ...

A satellite orbiting Mars has captured the best-ever images of a gigantic "scar" carved across the Red Planet's surface. The dark ravine, which is accompanied by unusual zebra-like stripes, is likely ...

What are the best methods to explore Valles Marineris on Mars, which is the largest canyon in the solar system? This is what a recent study presented at the 56th Lunar and Planetary Science Conference ...

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

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 ...

Puzzles persist about possible water at seasonally dark streaks on Martian slopes, according to a new study of thousands of such features in the Red Planet’s largest canyon system. The study published ...

Mars’ own Grand Canyon, Valles Marineris, is shown on the surface of the planet in this composite image made aboard NASA’s Mars Odyssey spacecraft (Getty Images) The European Space Agency’s ExoMars ...

"We found a central part of Valles Marineris to be packed full of water — far more water than we expected." When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

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 ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A significantly large reservoir of “hidden water” or ice has ...