New work offers insight into how early life adapted from a low-oxygen atmosphere to the one that exists today.

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...

Yellowstone's magma system shows new activity, with the northeast sector possibly hosting future volcanic activity.

Yellowstone National Park, the oldest national park in the USA and home to some of the most unique geological features on ...

Beryl Spring, located between Mammoth Hot Springs and Madison Junction in Yellowstone National Park, was named for the stunning blue color of its ...

The Fairy Falls Hiking Trail is an epic hike in West Yellowstone with a beautiful view of the 200-foot Fairy Falls. I lo ...

Ranger naturalist George D. Marler meticulously documented changes in hydrothermal activity in the geyser basins of ...

It’s no secret that Yellowstone National Park can be jampacked in the summer, when up to 1 million people jockey for space ...

As the headquarters of Yellowstone National Park, the Mammoth Springs Historic District is also home to historic buildings, including structures that date back from the Fort Yellowstone days ...