The observation of small gullies on Mars was one of the more unexpected discoveries of the Mars Observer Camera (MOC) aboard the Mars Global Surveyor spacecraft. The characteristics of these gullies ...

A Brown University-led research team explains in a new study how gullies on the slopes of Martian craters could have formed by on-and-off periods of meltwater from ice on and beneath the planet’s ...

A study offers new insights into how water from melting ice could have played a recent role in the formation of ravine-like channels that cut down the sides of impact craters on Mars. A study led by ...

Image of the Terra Sirenum and its gullies captured by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter. CREDIT NASA/JPL/Univ. of Arizona. A study ...

A study led by Brown University researchers offers new insights into how water from melting ice could have played a recent role in the formation of ravine-like channels that cut down the sides of ...

CAPE CANAVERAL, Fla. (AP) — Water may be more widespread and recent on Mars than previously thought, based on observations of Martian sand dunes by China’s rover. The finding highlights new, ...

During a recent solar storm, NASA's Curiosity rover detected its highest-ever level of radiation reaching the surface of Mars. Reading time 3 minutes A recent outburst from the Sun sent a strong blast ...

"Our study demonstrates that Mars is not dead." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A plume of searing hot rock as wide as the ...