Yellowstone County is reeling from the loss of a longtime local leader. Commissioner John Ostlund was killed Thursday afternoon when a plane he was flying hit a power line, flipped, crashed and ...

Eds: This story was supplied by The Conversation for AP customers. The Associated Press does not guarantee the content.

In the early 20th century, Platt National Park was outcompeting Yellowstone and Yosemite, but the national park doesn't exist anymore today.

Josh Lucas tied the knot with Brianna Ruffalo in a private ceremony held at Vatican City. The Yellowstone actor and the ABC7 ...

When the state of Idaho bowed out of a grey wolf reintroduction program and even proposed a major reduction in wolf populations, the Nez Perce Tribe stepped in to help the endangered animal’s fate.

A U.S. House committee advanced legislation Tuesday sponsored by U.S. Rep. Harriet Hageman, R-Wyoming, to remove ...

Wikimedia Commons Crow People Removal from Yellowstone National Park The Crow Nation lived on lands in Montana and Wyoming ...

Many American schoolchildren grow up learning that Yellowstone was the world's first national park. But across the globe in ...

Many see freedom as a right. Spiritually, it symbolizes both a gift and a duty. While it protects us from fear or oppression, ...

Tibetan spiritual leader the Dalai Lama on Wednesday said the centuries-old Tibetan Buddhist institution will continue after his death, putting to bed years of speculation that started when he ...

A bison in Yellowstone National Park appeared to stumble into the scalding water of Grand Prismatic Spring, causing its death as tourists looked on during the park's busiest season.

Yellowstone visitors watched in horror as a bison fell into the Grand Prismatic Spring, struggling to escape the boiling water in a tragic wildlife event.