The creation of three "dire wolf" pups has raised hopes that it may be possible to resurrect extinct animals. But some scientists have grave concerns. When news broke that Colossal Biosciences ...

Most experts USA TODAY spoke with agreed that attempts to de-extinct animals, like the dire wolf, result in animals that are not the same as their ancestors and are actually hybrid animals.

Reintroduction of captive-bred animals has had mixed success. This California butterfly lost habitat to grazing and drought and is considered to be extinct. The last live one was seen in the wild ...

Colossal Biosciences, a company that aims to “de-extinct” animals, announced Monday its scientists successfully genetically engineered three wolves to resemble the long-extinct dire wolf.

Colossal has focused on identifying key traits of extinct animals by studying ancient DNA, with a goal to genetically "engineer them into living animals," said CEO Ben Lamm. In a 2023 interview ...

Colossal Biosciences Inc., which has a $10 billion valuation, touts its one-of-a-kind gene editing technology that aims at rebuilding the DNA of now-extinct animals. The company said their work is ...

These were introduced into the genome of a gray wolf to mimic key traits of the extinct dire wolf. The resulting animals may look the part, but with so few changes, they are genetically much ...