A new image shows a striking contrast between Mars' desert-like terrain against dark deposits of volcanic ash.

On a calm day, a light breeze might barely ripple the surface of a lake on Earth. But on Saturn's largest moon, Titan, a ...

The European Space Agency (ESA) has uncovered new evidence of a dark ash blanket slowly spreading across Mars, an occurrence ...

Devil’s Lake State Recreation Area in Lincoln City is one of those places that makes you question whether everyone’s been ...

Mars has been wearing a convincing disguise for decades. It appeared to be exactly what most scientists believed it to be: a ...

Writer Angela Day’s anxiety was up to 11. A few days at this stunning Caribbean resort washed it away.

The "Clough," a 125-foot-long bark, sank in September 1868 near Cleveland, with just one crew member surviving to explain ...

By Will Dunham April 17 (Reuters) - The Grand Canyon is a marvel on the landscape of North America, a breathtaking geological feature in the southwestern U.S. state of Arizona presenting dramatic ...

A new study suggests a proto–Colorado River filled a large basin before spilling westward to set the Grand Canyon’s modern ...

The Apophis asteroid, once feared to hit Earth, is less than three years from making an unprecedented approach toward Earth.

Discover surprising geological wonders in Illinois, from fossil beds to strange rock formations, each with a unique story ...