For months, researchers in a laboratory in Dallas, Texas, worked in secrecy, culturing grey-wolf blood cells and altering the DNA within. The scientists then plucked nuclei from these gene-edited ...

In October 2024, three dire wolf pups were born in a successful de-extinction project helmed by Colossal Biosciences, located in Dallas, Texas. The pups include two boys, Romulus and Remus, and a girl ...

Colossal Biosciences made a record-breaking 20 edits across 14 genes in gray wolf cells by adding extinct dire wolf DNA. This was the first time ancient DNA has been used to bioengineer an extinct ...

You may have seen them in Game of Thrones, but dire wolves aren’t fantasy beasts. They were real Ice Age predators, heavy-headed hunters that prowled the open landscapes of the Americas long before ...

Advancing science may make it possible to bring back extinct species like the dire wolf—but should it? CU Boulder environmental studies and philosophy Professor Ben Hale says the answer is complicated ...