A woolly mouse compared with a normal mouse, at Colossal Biosciences labs. Editor at Large Extinction is typically for good. Once a species winks out, it survives only in memory and the fossil record.

How did the woolly mammoth, an ambassador of the Ice Age, end up confined to modern-day Wrangel Island? And what ultimately caused their extinction? New evidence suggests it wasn’t poor genetics as ...

In a lab far from the woolly mammoth’s icy plains, researchers from Colossal Biosciences have successfully brought a tiny “woolly mouse” to life. Here’s what it could mean for de-extinction. A tiny, ...

On Tuesday, the team behind the plan to bring mammoth-like animals back to the tundra announced the creation of what it is calling wooly mice, which have long fur reminiscent of the woolly mammoth.

Scientists have genetically engineered mice with some key characteristics of an extinct animal that was far larger — the woolly mammoth. This "woolly mouse" marks an important step toward achieving ...

It’s one small step for mice, one giant leap for mammoth-kind. Scientists endeavoring to “de-extinct” woolly mammoths through genetic modification have taken a meaningful step toward achieving their ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists looking to bring the extinct woolly mammoth back to life ...

Colossal Biosciences announced Tuesday the birth of the "Colossal Woolly Mouse," genetically engineered mice that express certain mammoth traits related to cold-weather adaptation. The litter of 38 ...