Geologists at Yellowstone National Park collect a staggering number of items dropped accidentally — and in some cases ...

Park staff have recovered everything from hundreds of hats and fake nails to rubber ducks and a tiny copy of The Vampire Diaries—and even small objects can damage thermal features.

The Yellowstone Volcano Observatory (YVO) has published its September video update, with Scientist-in-Charge Mike Poland describing monitoring data that occurred over the last month. Recorded ...

There's a major reason that Yellowstone National Park attracts close to 5 million visitors every year. Yes, there are ...

Yellowstone literally stinks! But from a volcanologist’s point of view, that’s a good thing, reports the YNP Volcano ...

A century-old mystery at Yellowstone’s Biscuit Basin has turned out to be less about a missing geyser and more about a ...

New policies from Washington, D.C., would dramatically reduce the size of wildlands and threaten wildlife’s ability to ...

Author Bob Richard, who was a longtime ranger, says Yellowstone tourists don't pay attention to rules because they suffer ...

A photographer who's been shooting Yellowstone since 1982 just released a book packed with full-color images of geysers, ...

Stumbling through the woods south of the West Thumb Geyser Basin, he broke into the outfield of the ball field and saw the ...

There’s a major reason that Yellowstone National Park attracts close to 5 million visitors every year. Yes, there are ...