A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible ...

Kevin Costner is set to host and executive produce a new documentary series, Yellowstone to Yosemite, for Fox Nation. This three-part series follows the historical 1903 Yosemite expedition led by ...

Lying five miles beneath the surface of Yellowstone National Park in Wyoming is a timebomb more than 640,000 years in the making. The Yellowstone supervolcano is a vast reservoir of magma with the ...

The first reports of Yellowstone, in the early 1800s, described a place in the northwest corner of the Wyoming Territory where mud boiled, water spouted, and steam came out of the ground.

Travel on a spectacular visual journey through the wonders of America's first national park. Set to classical music from some of the world's best composers, the park's magnificent scenery and ...

This story appears in the August 2009 issue of National Geographic magazine. Update: Our new Yellowstone National Park stories may surprise you with pictures of Yellowstone's remarkable animals.