In the oral histories of Native American tribes living in what is now known as North West America, there are multiple references to immense floods affecting the region. It is thought that these ...

As ice sheets began melting at the end of the last ice age, a series of cataclysmic floods called the Missoula megafloods scoured the landscape of eastern Washington, carving long, deep channels and ...

Apocalyptic floods unleashed in the US at the end of the last ice age came about as Earth’s crust buckled under the weight of ice, researchers have found. The Missoula megafloods carved deep channels ...

Enormous volumes of floodwater from the Missoula megafloods once poured over Dry Falls, which stretches 3.5 miles wide and drops 400 feet to a plunge pool now fed by groundwater. Photo by Tamara Pico.

Floodwaters rise more than 1,000 feet as they slam into the Columbia River Gorge from the east. The torrent blasts through the narrows at 60 mph, carrying truck-size boulders and house-size icebergs.

Add Yahoo as a preferred source to see more of our stories on Google. Apocalyptic floods unleashed in the US at the end of the last ice age came about as Earth’s crust buckled under the weight of ice, ...