(PhysOrg.com) -- One of NASA's two Mars rovers has recorded a compelling saga of environmental changes that occurred over billions of years at a Martian crater.
PASADENA, Calif., Aug. 12 (UPI) -- NASA says its Mars Reconnaissance Orbiter has returned a dramatic oblique view of a Martian crater that a rover explored for two years.
... sciences department, said knowing more about the history and extent of Martian cratering has implications for better understanding the potential ... kilometers in diameter, it is difficult to compare them with the Martian crater database, said Robbins. While there are only about 150 ...
NASA's Mars Exploration rover Opportunity is heading back out to the Red Planet's surrounding plains nearly a year after descending into a large Martian crater to examine exposed ancient rock layers.
Eroded gullies on the flanks of Martian craters may have been formed by snowmelt as recently as a few hundred thousand years ago and in sites once ...
Surface features common in the northern and southern midlatitudes of Mars and known as lobate debris aprons and lineated valley fill are believed to have formed either as debris flows mobilized by ...
A new study of crater images from NASA Mars Odyssey and other orbiters adds to evidence that water has likely played various roles in shaping the Martian landscape.
See a sharp young Martian crater, a gaggle of galactic colors, a "river" of stars, and more in the week's best space pictures.
A new study of crater images from NASA Mars Odyssey and other orbiters adds to evidence that water has likely played various roles in shaping the Martian landscape.
A storm brews on a Saturn moon, gullies drape a Martian crater, tiny bursts of extraordinary energy heat the sun's atmosphere, and more in the week's best space pictures.
... has spotted water ice in several impact craters midway between the north pole and equator — the first ...
... . Many of them look very different than impact craters seen on Earth's moon or Mercury. Fresh ... radiate away from the crater rims. Some Martian craters are similar to these craters, but Mars also has a high proportion ...
... 's Mars Reconnaissance Orbiter shows a sample of the variety and complexity of processes that may occur on the walls of Martian craters, well after the impact ...
... of sand-sized materials have been trapped on the floors of many Martian craters. This view shows dunes inside a crater in Noachis Terra, west of the giant Hellas impact ...
... of sand-sized materials have been trapped on the floors of many Martian craters. A new view captured by NASA ... Reconnaissance Orbiter shows dunes inside a crater in Noachis Terra, west of the giant Hellas ...
