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

Exclusive update: Colossal’s dire wolves are now fully grown, living together as a pack, and beginning to hunt. Here’s what we learned.

When Montana and Idaho held their first regulated wolf hunts in 2009, one of their stated goals was to reduce pressure on ranchers. Rebounding wolf populations were killing livestock. Fewer wolves, ...