This week's contribution is from Michael Poland, geophysicist with the U.S. Geological Survey and scientist-in-charge of the Yellowstone Volcano Observatory. If you’ve gone hiking in ...

Yellowstone is a beloved natural wonder, but beneath that beautiful exterior, the park houses a scary secret. In fact, it ...

Photos show climate change impacting national parks from Yellowstone's flooding to warming temperatures in Denali. Wildfires ...

In addition, the Yellowstone Volcano Observatory operates ... Although the camera never detected any geological changes, it was helpful for monitoring other activity — for example, the Brimstone ...

For many years, the Sawtooth fault in central Idaho was recognized as an active fault, but it remained understudied. Then the ...

Get an exclusive first look at the second season of “1923,” the prequel for the hit show “Yellowstone,” starring Helen Mirren and Harrison Ford.

A judge’s order has ratcheted up the pressure on federal officials to decide whether Wyoming’s grizzlies should be delisted.

(1988) The geology and remarkable thermal activity of Norris Geyser Basin, Yellowstone National Park, Wyoming. USGS Prof. Pap. 1456, 84 p. Yellowstone Caldera Chronicles is a weekly column written ...

He will be banned from Yellowstone National Park for the duration ... ecosystem and the danger that guests face from the unique geological formations of the area.

Of that, $500 was the fine, and $1,000 was destined for the Yellowstone Forever Geological Fund. The remaining balance was for administrative fees.