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 ...

Instead of worrying about megadroughts or megafloods (the “mega” makes it all that much more pressing, of course), California and other Western states need to invest in our water infrastructure so ...

Megafloods, or flood events more severe than any previously recorded in a given place, can be predicted by analyzing past flooding in other similar regions of the same continent, according to a study ...

Photographs of (A) Woody's Cove (person, for scale, circled), (B) the approximately 50-meter high headwall of Stubby Canyon, (C) the downstream-most waterfall at Pointed Canyon, (D) fluted and ...

About 15,000 years ago, in the waning millennia of the Ice Age, a vast lake known as Glacial Lake Missoula suddenly burst through the ice dam that plugged it at one end. In the space of just 48 hours, ...

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 ...

A recent study puts forward a new explanation for the Martian megafloods: enormous discharges of subterranean water that dug out the biggest flood channels in the solar system over 3 billion years ago ...

Scientists already know that Mars wasn’t always the global desert it is today. Now, new data collected by NASA’s Curiosity Rover reveal that the Red Planet actually had significantly more surface in ...

Flood under the Old Route 49 bridge crossing over the South Yuba River in Nevada City, California, saw local and regional visitors during the atmospheric river event across Northern California on ...

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