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 ...

Earth’s Grand Canyon inspires awe for anyone who casts eyes upon the vast river-cut valley, but it would seem nothing more than a scratch next to the cavernous scar of Valles Marineris that marks the ...

NASA’s Mars Reconnaissance Orbiter (MRO) has provided new high-resolution images of Candor Chasma, a massive canyon within Mars’ Valles Marineris. These images, captured by the HiRISE camera and ...

Mars has a huge network of canyons that stretches about 2,500 miles (4,000 kilometers) across its equator. This canyon system, called Valles Marineris, is the largest in the solar system, dwarfing ...

The sights of Mars are many and marvelous — and the European Space Agency (ESA)’s Mars Express orbiter recently captured one of the planet’s wonders, the Valles Marineris canyon system. This enormous ...

A new batch of HiRISE images has been posted by the UA Lunar and Planetary Lab. See ’em here. HiRISE team member Patrick Russell tells us about the above photo: This observation shows the intersection ...

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 ...

Humans have long suspected our neighboring planet, Mars, was not unlike Earth a long time ago, and it may have harbored both liquid water, and some kind of life. So far, however, we weren’t able to ...

The largest canyon in the Solar System, Valles Marineris deeply marks the surface of Mars; a tectonic crack subsequently widened by erosion and marked by nearby channels potentially carved by water.

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 ...

The ExoMars Trace Gas Orbiter discovered a bunch of water in the Valles Marineris on Mars. I've been writing about tech, including everything from privacy and security to consumer electronics and ...