Steamboat Geyser holds an elusive reputation for its prolonged periods of dormancy followed by abrupt episodes of re-awakening.

Steamboat Geyser eruption not witnessed from ground, but photographer in a plane captures footage next morning.

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

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

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 ...

A judge in Wisconsin ordered the woman convicted in the 2014 Slender Man stabbing case to go back to a state psychiatric hospital after she escaped from a group home in November. Waukesha County ...

A Yellowstone National Park bison stampede is an awesome display of power and even grace as the colossal animals gallop across the landscape, en masse, with a sense of urgency known only to them. But ...

“Slender Man” stabber Morgan Geyser will be sent back to a Wisconsin mental institution after her conditional release was revoked following her brazen escape from a group home last month. The ...