See the 2,500 mile-long (4000 km) Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: ...

An enormous canyon stretches across Mars: Valles Marineris is 3,000 kilometers long, 600 kilometers wide and on average 8 kilometers deep. Its Latin name goes back to the Mars orbiter Mariner, which ...

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 ...

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 ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

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 ...

A University of Iowa research team has won a grant to study the composition and climatic origins of a 2,500-mile-long canyon ...

Mark was the science editor at Mashable. After working as a ranger with the National Park Service, he started a reporting career after seeing the extraordinary value in educating people about the ...

Add Yahoo as a preferred source to see more of our stories on Google. First imaged by NASA's Mariner 9 spacecraft in 1972, Valles Marineris has been captured by the HiRISE camera on NASA's Mars ...

Add Yahoo as a preferred source to see more of our stories on Google. Mars, our neighboring red planet, possesses some of the most extreme topographical features within our solar system. Its colossal ...