NASA Rover Studies Unusual Structures on Mars That Have Scientists Puzzled ...

Colorado has a reputation for soaring peaks, powdery slopes, and postcard views, but the real fun begins when things get a little strange. Beneath the polished adventure ads and scenic overlooks, ...

Scientists have identified a strange early crocodile relative that may have looked somewhat like a flightless bird ...

Scientists studying Mars may have uncovered a brand-new mineral hidden in the planet’s ancient sulfate deposits. By combining laboratory experiments with orbital data, researchers identified an ...

Explore a stunning Arkansas hike in the Ozarks where towering rock formations and dramatic landscapes make every step unforgettable.

Strange limestone towers rise from Mono Lake along this easy one-mile California trail, creating a surreal landscape that ...

In 1986, Kihachiro Aratake was diving off the coast of Yonaguni when he spotted a giant structure 25 meters below the surface ...

Spiderweb-shaped rock patterns on Mars may rewrite the timeline of when water disappeared from the Red Planet.

For more than a decade, NASA’s Curiosity rover has been climbing a Martian mountain, reading the planet’s ancient history layer by layer. Now, a discovery of web-like rock for ...

This low-angle self-portrait of NASA’s Curiosity Mars rover shows the vehicle at the site from which it reached down to drill into a rock target called “Buckskin” on lower Mount Sharp.

NASA’s Curiosity rover has discovered tiny mineral nodules on Mars that suggest groundwater persisted on the planet much longer than previously believed, expanding the window during which microbial ...

Only one specimen of Alcovasaurus has ever been found, named for the tiny Wyoming town of Alcova, where it was discovered ...