Biotech company Colossal, which is attempting to bring back the woolly mammoth, has reached a milestone − and a very cute one at that: the woolly mouse. The Colossal Woolly Mouse, born in October 2024 ...

This week, the world met the woolly “mammouse”—a genetically engineered mouse with woolly mammoth hair. The scientists at Colossal Biosciences who created it think it’s a promising step toward their ...

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.

Pictured are two of Colossal's "woolly mice". Dallas-based biotech startup Colossal aims to bring the woolly mammoth back from extinction through genetic engineering. As part of that process, the ...