A massive 37-million-year-old underwater canyon reveals the fossil trace of an ancient Atlantic tectonic boundary.

The Great Unconformity is a major gap in Earth's geologic record. The missing layer between Precambrian and Cambrian rocks ...

The Giles-House copyrighted e-book, “Geology of the Lower Owyhee River, Oregon’s Grand Canyon,” is now online at www.owyheegeology.com as a free downloadable document. An improved second edition will ...

The National Park Service has released its executive summary of the Dragon Bravo Fire’s impacts on the North Rim of the Grand Canyon and surrounding forest land.

To a proud Michigander, the Upper Peninsula is a soul-cleansing ritual. I’ve spent countless miles chasing the “good gravel” beyond the reach of cell towers, where the spruce shadows stretch long over ...

Far beneath the Atlantic Ocean, about 1,000 kilometers off Portugal’s coast, lies a colossal underwater canyon system that ...

Swallow Falls State Park in Oakland, Maryland is proof that sometimes the best experiences are hiding in the corners of the ...

These Arizona day trips are simple to pull off this year, packed with jaw-dropping views, fun detours, and just enough ...

Scientists surveying an Iranian canyon at night found a wide-eyed surprise — a brand-new species of spiky gecko.

When most travellers hear the words “national park,” they immediately picture safari jeeps trailing elephants across golden plains or bears fishing in icy rivers. Wildlife tourism has long dominated ...

Faced with recent major breaks to the Transcanyon Waterline (TCWL), the National Park Service (NPS) and contractor Stronghold Engineering Inc. have accelerated work across multiple locations on the ...