Everyone knows that Earth is capable of providing beautiful, snowy landscapes, but it isn't unique in that. It snows on Mars, ...

The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a ...

Martian clouds are almost always made of dry ice, or frozen carbon dioxide. 95% of the planet's atmosphere is CO2.

The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...

"Even the largest floods we modeled couldn't reach far enough to explain all the rootless cones we see." New data is challenging what scientists previously knew about one of the youngest ...

Today, we know of Mars as a cold, dry desert, with patches of subterranean ice and ice caps at its poles. Billions of years ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south pole that are visible only in springtime on the Red Planet. This image ...

After a summer of fasting on land, the bears need to get back to their frozen home to hunt seals and bulk up. But their migration ritual is changing.

Scientists have found vast oceans of ice lying just below the surface of Mars in a major boost to the search for alien life on the Red Planet. One of the most exciting planetary discoveries ever ...

Some of those being the southern polar ice cap of Mars, as well as the canyon systems of Valles Marineris and Olympus Mons, which happens to be the solar system’s largest volcano. As if that isn ...

"The current and past locations of water ice are an important piece of the history of Mars," Colin Dundas, a research geologist with the U.S. Geological Survey told Space.com. "Understanding this ...