Colossal Bioscience says it has “de-extincted” the dire wolf, but other scientists disagree and say more important ...

The de-extinction of the dire wolf began with a tooth from Ohio ... the genome of the dire wolf's oldest surviving relative, the gray wolf, to express dire wolf traits. Surrogate dog mothers ...

Colossal scientists have claimed that they have created three dire wolf pups, whose closest living relative is the gray wolf.

Colossal Biosciences says it used novel gene-editing technology to alter gray wolf DNA that led to the birth of the pups.

“Unlike with the gray wolf and jackal, which can produce hybrid offspring with related species, there is no current data showing interbreeding ... larger teeth and jaws, more-muscular legs ...