Yellowstone National Park is huge: 2,221,766 acres or 3,437.5 square miles, over twice the size of the state of Rhode Island.

The National Park Service is clearing up any misconceptions on whether wildlife is migrating away from Yellowstone National ...

There’s a new milky blue pool in Yellowstone National Park.

Yellowstone is home to hundreds of species of birds, fish and mammals, according to the NPS. It is the only national park in ...

A team of private-sector outdoorsmen and another of Yellowstone National Park personnel and volunteers are preparing missions ...

Homeland Security may soon ease liquid restrictions thanks to new 3D scanning technology. Trump Sues Over Wall Street Journal ...

I've visited all 63 major US national parks. I think Great Smoky Mountains and Grand Canyon are some of the best parks for ...

The Life Church is hosting their annual Back-To-School Block Party on Saturday, July 19th from 12:00pm to 3:00pm at Smith elementary school in Denver’s Park Hill neighborhood.

Boulder ENOFF returns July 17-20 with a lineup of films exploring Colorado’s environmental challenges and stories, from wolf ...

The visitors who trek to America’s national parks are already noticing the changes, just months after President Donald Trump ...

We fear Wyoming’s plans for Hot Springs State Park will turn our sacred springs into a playground for the rich, inaccessible ...

Bison herd stops traffic as it crosses road in Yellowstone A bison died after it appeared to stumble into a hot spring at Yellowstone National Park last week while visitors looked on.