The company working to revive the woolly mammoth hasn't got there yet, but it has managed to create a "woolly mouse." Colossal Biosciences on Tuesday unveiled healthy mice genetically modified to ...

Once a species winks out, it survives only in memory and the fossil record. When it comes to the woolly mammoth, however, that rule has now been bent. It’s been 4,000 years since the eight-ton ...

Scientists have created genetically engineered "woolly mice" with fur similar to the thick hair that kept woolly mammoths warm during the last ice age. The biotechnology company Colossal ...

Woolly mammoths roamed the frozen tundras of Europe, Asia and North America until they went extinct around 4,000 years ago. Colossal made a splash in 2021 when it unveiled an ambitious plan to revive ...