Some question whether the pups are really dire wolves, or just genetically tweaked gray wolves. But the technology could be used to help at-risk animals.

A biotech company made history with the birth of three genetically engineered wolves: What we know about these prehistoric ...

Most professional biologists, myself included, do not think they have brought dire wolves back from extinction by any ...

Three genetically engineered wolves that may resemble extinct dire wolves are trotting, sleeping and howling in an ...