The wolves were present in Iowa at end of the last Ice Age ... They were approximately 25% larger than the modern-day gray wolves. The dire wolf stood at about 3½ feet tall and could be longer ...

Projects, by both Colossal and other groups, are underway around the world to help endangered species develop disease resistance or evolve to tolerate a warmer world. Other projects use gene editing ...

This week, Pennsylvania State University paleontologist Chris Widga and colleagues reported on new records of dire wolves from Iowa ... dire wolf’s closest living relative was the gray wolf ...

Colossal scientists have created three dire wolf pups by using ancient DNA, cloning and gene-editing technology to alter the genes of a gray wolf, the prehistoric dire wolf’s closest living ...

Colossal Biosciences says it used novel gene-editing technology to alter gray wolf DNA that led to the birth of the pups. Dire wolves recently featured prominently in the HBO series Game of Thrones.

Ranchers from California's San Joaquin Valley are urging state leaders to create more flexible laws so that they can protect cattle and recoup losses from gray wolf attacks. Ranchers are limited ...