The earth's rumbling beneath Yellowstone, but don’t worry; scientists are keeping a close eye on that supervolcano and its ...

A ruptured sewer pipe sent millions of gallons of raw sewage into the Potomac River as crews race to contain the spill.

Yellowstone National Park is one of the most popular and fascinating parks in the U.S. Naturally, there are quite a few ...

Footage shows a small eruption from Black Diamond Pool in the Biscuit Basin subbasin of Upper Geyser Basin, Yellowstone ...

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity ...

Yellowstone is a dynamic geologic system—the one constant is change. This is demonstrated daily by hydrothermal activity manifested in geysers, hot springs, mud pots, and other thermal features, but e ...

The true date of the eruption has long eluded—and vexed—historians of the deadly disaster. Here’s what the archaeological evidence tells us. The ancient city of Herculanum was destroyed by the ...