Closing day at Keystone Resort appeared to coincide with the end of the winter denning season for bears — as a black bear charged across a ski run Sunday, April 6.

When my buddy and I set out into the wilderness, we expected to see bears. We didn't plan on getting charged by an angry sow 100 feet off the ground.

A tiny grizzly bear cub was spotted exploring Yellowstone National Park with its mom for the first time, adorable video shows ...