A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

From packs of wolves to prides of lions, scientists are uncovering what really makes group hunting work — and where cooperation starts to break down.

Slightly younger female pup, Khalessi, currently weighs 35 pounds and will likely join Romulus and Remus' pack soon The world's first revived dire wolves are growing up, and fast. Matt James, Colossal ...

Dire wolves vanished more than 12,000 years ago but science has brought them back, and now, the massive creatures made famous by Game of Thrones have doubled in size in mere months. Romulus, Remus, ...