Discover the Grand Canyon: a vast, colorful, and layered natural wonder in northern Arizona. Explore its history, geography, ...

Giant mounds of sand discovered beneath the North Sea off Norway may scramble what we know about a key geological process.

Colossal volcanic eruptions like the kind that may have obliterated the dinosaurs more than 65 million years ago are caused ...

The Ubari oasis, a circular pool reflected the azure blue sky above and the lush greenery of palm trees surrounding it, ...

A state park that's literally carved out of the fossil-laden limestone of the Florida Keys offers visitors a chance to take ...

Larimer County’s Canyon Edge Open Space is in the running for a People’s Choice award among statewide outdoor projects funded ...

Scientists thought this crater in Australia was the world’s oldest – but an independent analysis shows they might be off by ...

That’s exactly what happens at Indian Echo Caverns in Hummelstown, Pennsylvania – a subterranean wonderland that somehow remains one of the state’s best-kept secrets despite being, well, absolutely ...

Elephant Rocks State Park in Belleview, Missouri is the geological equivalent of finding out your quiet neighbor is secretly ...

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...