It's safe to say Yellowstone National Park is still looking good at the ripe old age of 150. The world famous site became the first national park in the U.S. on March 1, 1872, when President ...

Grant more than 150 years ago. The four-part docuseries "Yellowstone 150" was first released to mark the milestone ...

“Yellowstone National Park,” a 1904 poster by Henry Wellge, is among works from the exhibition “Wonderland Illustrated” that will be on view at UW’s Coe Library Feb. 1-May 27. The poster was recently ...

On the threat that climate change poses to the park and what Yellowstone might look like in another 150 years “I believe in 150 years, Yellowstone will still be here and still be a park.

BILLINGS – It may sound odd, but you can buy a pass to get into Yellowstone National Park that you will never be able to use. “It is our way of celebrating 150 years of Yellowstone National ...

Photograph by Michael Nichols, Ronan Donovan and the National Park Service Cliff swallows—one of 150 bird species that live in Yellowstone—fly near their cliffside mud nests. Photograph by ...

RELATED: Montana sheriff says hiker killed, grizzly bear suspected "It is our way of celebrating 150 years of Yellowstone National Park and to help preserve the park for the next 150 years ...