News

Live Science on MSN5d
Scientists delve into Hells Canyon cave to solve mystery of America's deepest gorge
About 2,000 feet deeper than the Grand Canyon, Hells Canyon was rapidly carved when a lake spilled over about 2.1 million ...
NPR29d
Hells Canyon is deeper and younger than the Grand Canyon - NPR
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.
WUFT29d
Hells Canyon, the deepest gorge in the U.S., is surprisingly young
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.
OPB29d
Eastern Oregon’s Hells Canyon, the deepest gorge in the US, is surprisingly young - OPB - Oregon Public Broadcasting
Hells Canyon, the deepest river gorge in the United States, was carved just about 2.1 million years ago — making it much younger than the Grand Canyon.
KBIA29d
Hells Canyon, the deepest gorge in the U.S., is surprisingly young
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. That's ...