What appears to be a single volcanic eruption is often the result of complex processes operating deep beneath the surface, ...

Toss out that image of a Martian surface formed by spewing geysers and then rendered inert - encased in ice for more than a billion years. A new analysis of information gathered by the UA-led Phoenix ...

If you’re a scientist studying the surface of Mars, few discoveries could be more exciting than seeing recent gullies apparently formed by running water. And that’s what scientists believed they saw ...

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 ...

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed on the Red Planet. The U.S. space agency's Perseverance and Curiosity ...

A recent study showed that Mars was warm and wet billions of years ago. The finding contrasts with another theory that this ...

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 ...

The fractures of the Cerberus Fossae landscape, located in the vast plain Elysium Planitia on Mars, cut through hills and craters, indicating their relative youth. A new study providing the most ...