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 ...

Yellowstone National Park Entrance Fee Park entrance fees are separate from camping and lodging fees. Park Entrance Pass - $35.00 Per private vehicle (valid for 1-7 days from the date of purchase) ...

Reservations for the in-park lodges at Yellowstone National Park and Glacier National Park are starting to fill up for the ...

Footage shows the normally elusive mountain lions traversing a snow-covered ridge as if out for a Sunday stroll.

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

A historic area in Yellowstone National Park has been shaken by an earthquake. The 3.7 magnitude earthquake hit near Mammoth, Wyoming, close to the ancient Norris Geyser Basin at about 6pm MST on ...

A detailed look at Yellowstone's magma storage system finds that only one region is likely to host liquid magma in the long ...

It was a mammoth task for the army to patrol the ... It was known as the "Act to Protect the Birds and Animals in Yellowstone National Park." When Horace Albright was appointed superintendent ...

Conservation groups asked the appeals court to uphold a Montana judge's blocking of the project and to determine the agency hadn't considered the impact on grizzlies.

MAMMOTH, Wyo. – Yellowstone National Park's oldest and hottest geothermal area, a favorite spot for park visitors, was shaken by a moderate earthquake Tuesday evening. The U.S. Geological Survey (USGS ...

Yellowstone National Park's nearly 3,500 square miles seep slightly ... Madison and West Yellowstone; Mammoth Hot Springs and the North; Norris Geyser Basin; Old Faithful; Tower-Roosevelt and ...