The roars of a grizzly echoed from a riverbank in Yellowstone National Park on Sunday, as it postured with a wolf over a ...

Stunning viral footage shows a grizzly bear fighting a wolf over the remains of a dead animal in a river, proving size ...

Fury, the legendary two-time world heavyweight champion, is coming out of a short-lived retirement to box Russian-born ...

Life for a young grizzly bear is shaped by competition from the very beginning. Observations in the wild show that more than half of cubs do not survive their first year, and one of the leading causes ...

Grizzly bears are generally solitary animals, but when they encounter each other — especially outside of abundant food sources — they may display aggression to assert dominance. Bears may fight over ...

These Black Bear cubs are proving that a little wrestling among friends never hurt anyone. In this adorable clip, found by ...