Yellowstone National Park's geological history is one of the most intensely studied in North America. A new geologic unit ...

It's a trek to get to Yellowstone National Park. And even then, the adventure has only just begun. Yellowstone National Park spans almost 3,500 square miles. That's a mammoth undertaking, especially ...

The Print Collector—Getty Images. ... An 1871stereograph of the hot springs on the Gardner River in the lower basins in Yellowstone National Park, Wyoming. Smith Collection—Gado/Getty Images.

Fresh off of a year that saw Yellowstone and Glacier national parks notch their second-highest visitation years ever, the two anchors for Montana’s tourism sector are on an even hotter pace this ...

According to a video posted by Yellowstone on Facebook, tracks in the snow were observed in the northern part of the park on March 9.Grizzly bear tracks are unmistakable: huge prints in the snow ...

Yellowstone National Park was forced to shut its doors last week after historic flooding left widespread damage. Officials said they hope to reopen the south loop of the park soon.

A bison falls into Grand Prismatic Spring at Yellowstone National Park on June 21, ... She said it was about 7:15 p.m., very foggy and "really eerie and mysterious" when they spotted animal prints.

The “first national park” was born 151 years ago, on March 1, 1872, when President Ulysses S. Grant signed into law the Yellowstone National Park Protection Act.

One of the rarest animals in Yellowstone has been captured on camera by visitors to the national park. The video, posted by Carl Kemp to YouTube, shows a wolverine walking across a tarmac road ...

Most people already know a thing or two about Yellowstone National Park. It’s the world’s first national park and home to Old Faithful. “Probably 95% of people that come to Yellowstone visit ...