Dire wolves brought back from extinction are now fully grown and hunting together as a pack of 3

After cautious introductions, the bioengineered animals are eating, playing and chasing prey together ...

Yellowstone wolf tries to run down elk in 'incredible chase'

Footage shows part of a wolf-versus-elk pursuit that also has bison taking cover.

The Return of the Dire Wolf

Colossal Biosciences has genetically engineered the first dire wolf to live in over 10,000 years. Here's what that means for other extinct species.