Yellowstone National Park

Their father, Phillip Ullom, was taken by ambulance to a hospital in Jackson.

The Vice President and Second Lady will fly back to Washington, D.C. later that evening.

Maybe you heard that an idiot walked on the Grand Prismatic Spring area of Yellowstone. Fortunately, he didn't get away with it as a hero tourist captured the stupid act on video.

Apparently the bears in Yellowstone National Park are curious about photography.

Calving season is generally late-May to early-June.

If there's one constant in Yellowstone National Park, it's change. Ledge Geyser has just reawakened after being dormant for 3 years.

A normal human being would never be able to safely get close enough to see young bears in this way. There's a brand new video that shows a Grizzly sow and her cubs and it is a rare look at how these cubs play.

Each of them admitted to shooting the lion and taking the carcass back to their vehicle.

Most park roads have reopened for the season, as have the other park entrances.

If you are or plan to be a Yellowstone tourist this year, I have a tiny request. If you could, please don't get this close to our bison. Ever.

In January, Jackson Coombs pleaded guilty to one count of aggravated assault with a dangerous weapon and one count of simple assault.

This is both hilarious and terrifying. There's a new video show shows a bison in Yellowstone letting a tourist RV know it's not welcome in the loudest way possible. Make sure you have your speakers turned up for this one.