In 2025, the world marked another sad milestone in the ongoing loss of biodiversity: multiple species long missing from their ...

From dire wolves to woolly mammoths, the idea of resurrecting extinct species has captured the public imagination. Colossal Biosciences, the Dallas-based biotech company leading the charge, has made ...

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 ...

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 ...

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 ...

“We see no possible way this could go wrong,” wrote the Jurassic World account on X, in tongue-in-cheek response to the news. Most experts USA TODAY spoke with agreed that attempts to de-extinct ...

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 ...

Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...