Geologists have uncovered compelling new evidence that reshapes the understanding of Hells Canyon, America’s deepest river ...

The origin story of Hells Canyon, North America's deepest river gorge, has long been unclear to scientists. But new research estimates it formed about 2.1 million years ago when a dramatic flood ...

After a short, easy hike, you'll find an awe-inspiring waterfall with turquoise pools and stunning canyon views among Idaho's ...

Credit: X-Weinzar, CC BY-SA 2.5 North America's deepest gorge, Hells Canyon, which slithers along the border of Idaho and Oregon, is a surprisingly new addition to the Earth's ancient landscape.

Hells Canyon, the deepest river gorge in the country, has always been a marvel for geologists, archeologists and travelers. But researchers are just now learning about the origins of the canyon ...

Hells Canyon, the deepest river gorge in the United States, likely got rapidly carved 2.1 million years ago when a shifting landscape in Idaho caused a giant lake to start overflowing.

Hells Canyon, the deepest river gorge in the United States, likely got rapidly carved 2.1 million years ago when a shifting landscape in Idaho caused a giant lake to start overflowing.