As we travel from Mars’s equator toward the planet’s northern regions, we arrive at Coloe Fossae. This landscape is characterized by long, shallow grooves that cut across an area filled with steep ...

Mars’s Coloe Fossae reveals a landscape shaped by ancient ice ages, with deep valleys, cratered terrain, and frozen debris ...

A chance discovery by a NASA rover on Mars shows that the red planet has a form of lightning, which researchers had suspected ...

A recent study published in Science examines how thin channels inside impact craters on Mars could have formed from Martian gullies, which share similar characteristics with gullies on Earth and are ...

Ancient Mars boasted abundant water, but the cold and dry conditions of today make liquid water on the Red Planet seem far ...

Mars' watery past is becoming clearer, with evidence of ancient rivers and long-lasting surface water. While a supposed south ...

NASA scientists were baffled after uncovering a rock on Mars that didn’t belong there — with a composition pointing to ...

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 ...

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 ...

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 ...

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 ...