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 ...

A version of the dodo bird (Raphus cucullatus) could make a return someday soon. Colossal Biosciences announced this week several milestones in its quest to bring the extinct species back to life. On ...

Colossal Biosciences, an American biotechnology company, announced the "de-extinction" of the dire wolf, a prehistoric wolf species that died out more than 10,000 years ago, in April 2025. Three pups ...

Colossal Biosciences aims to freeze millions of animal samples in the hope of saving endangered species, or one day resurrecting them.

Dire wolves were massive and highly intelligent animals nearly the size of a small horse, capable of ripping a man’s arm off as easily as a dog kills a rat. They lived in cold regions in a place ...

Ben Lamm is making the impossible possible, working to bring animals back from extinction. Though it was a difficult feat to accomplish in under five years, his company, Colossal Biosciences, which he ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

For more than 50 years, scientists have been freezing living cells from endangered species. Here’s how the Frozen Zoo® is ...