Wolves are known to travel long distances, but one Colorado wolf covered the distance equivalent from Denver to San Francisco ...

In fewer than 100 days, the Trump administration has promoted drilling, mining and development of public lands while ...

Are we ready for a mega-blast from the supervolcano in Yellowstone National Park?

As dusk began to fall on Yellowstone National Park, the male grizzly bear wandered down a hill in hopes of getting a free dinner. He was clearly excited to get down to the fallen bison, but also made ...

Yellowstone National Park is home to breathtaking landscapes and diverse wildlife, but do you know which animal poses the ...

After visiting all 63 national parks in the US, my favorites include Yosemite and Grand Teton. I think one of the worst parks ...

Here’s what Catholics should know about the dire wolves and what the Church might have to say about “resurrecting” extinct species of animals.

As the president seeks to log, mine, drill and develop, Yellowstone researcher Chris Servheen calls the administration's proposed policy "management based on ignorance." ...

Over the last month, two of Colorado’s latest gray wolf transplants were killed after crossing the border into Wyoming.

This summer is likely to bring bigger crowds, longer entry waits, closed trails, uncleaned toilets, uncollected trash and ...

New research from the University of Minnesota upends long-held understanding about how wolves, bears and cougars compete for ...

Dire wolves — or really, wolves with traits like the extinct species — are back. But New York has plenty of its own ...