It is as close to a wilderness as we can get on our continent. It is missing aurochs, the extinct wild species from which cattle are derived. Yet they were there until the 17th century.

A Dutch breeding program has recreated massive bovines closely related to aurochs, once the heaviest European land mammal and the wild ancestor of today’s cattle that became extinct in the 17th ...

When one company proclaimed it had brought back the dire wolf, the response was joyous. But de-extinction remains a dangerous fantasy. By Brooke Jarvis Brooke Jarvis is a contributing writer for ...

This is why researcher Dr. Michel Lecoq declared it extinct in 1996. After more than 40 years of no records, an exciting discovery happened thanks to a holiday Rob Felix took with his fellow ...

To breathless media coverage, a company called Colossal Biosciences now claims to have produced three genetically engineered pups of the long-extinct dire wolf. Scientific criticism followed fast.

In Spain, a special species of cow has been reintroduced to the wild to help prevent wildfires. A cow firefighter? Now I've ...

The world of science was rocked early last month when U.S. company Colossal Biosciences announced that it had resurrected the dire wolf—a species that went extinct more than 10,000 years ago.

Even if the worst-case scenario turns out to be true and the saolas are already extinct, the genetic analysis could still prove useful. Much like the recent efforts to bring back the woolly mammoth ...

Fossil teeth show extinct giant kangaroos spent their lives close to home – and perished when the climate changed. Large kangaroos today roam long distances across the outback, often surviving ...

Just two years ago, prompt engineering was hailed as a hot new job in tech. Now it has all but disappeared. At the beginning of the corporate AI boom, some companies sought out large language ...

These machines dig through huge piles of geological and climate data to trace how events unfolded during Earth's most famous extinction. “We flipped the usual approach,” said Alex Cox ...

For decades, an "extremely rare" fossil sat unidentified in Japan's Museum of Unique Insect Fossils. Discovered in 1988 in Hyogo Prefecture, the imprint of a large butterfly wing and body is now ...