Staff in Yellowstone National Park observed the first grizzly bear tracks of 2025 earlier this month — signaling the very ...

Much of this volcanic ash comes from the Great Basin, a geographic area within which the states of Utah and Nevada lie today.

Ask wildlife photographer Jim Backus where he’s been and the answer is a bit like that old country song: He’s been everywhere ...

The filmmakers behind The Americas worked with scientists who had been tracking a female bear and knew where she was ...