North America's deepest gorge, Hells Canyon, which slithers along the border of Idaho and Oregon, is a surprisingly new ...

Hells Canyon is the deepest river canyon in the United States. Now scientists have solved the mystery of when it formed.

Hells Canyon might be deeper than the Grand Canyon, but it's barely 2 million years old, according to a new study.

Photo from Montri Sumontha via Pauwels, Donbundit, Sumontha and Meesook (2025) One cicada-eating kukri snake was found in a limestone cave, the study said. Another “caught at night by snake ...