In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

International visitors will soon have to pay an added surcharge to visit Yellowstone, Yosemite and other iconic U.S. national ...

A troubling sign of the times: national park visitors being asked to report information that is "negative" about past or ...

Huge boulders lay beside the road through Gibbon Canyon in Yellowstone National Park Tuesday morning after an all night ...

If you will visit Yellowstone National Park this Fourth of July, plan ahead to protect yourself and this wild and awe-inspiring place. Summer is the busiest time in the park, ...

Yellowstone National Park has over 1,000 miles of trails and nearly 300 designated backcountry campsites, allowing people to venture beyond the main roads and boardwalks. The Yellowstone ...

Wolf 907 and the Junction Butte Pack’s territory spanned mountains, valleys and creeks within an area called the Lamar Valley, which is in the northern part of Yellowstone National Park on the ...

MAMMOTH HOT SPRINGS, Wyo.– Three rivers in Yellowstone National Park are temporarily closing for fishing early in the day due to warm water temperatures and low water flow. Madison, Firehole and ...

MAMMOTH HOT SPRINGS, Wyo. – In what seems an extremely early time of year, Yellowstone National Park has enacted fishing restrictions on the Madison, Firehole and Gibbon rivers and their ...

Effective Thursday, some Yellowstone National Park rivers and streams will close to fishing daily from 2 p.m. to sunrise the following day due to warm water temperatures and low river flows, the park ...