Add Yahoo as a preferred source to see more of our stories on Google. Woolly mammoths are depicted in this illustration. (Illustration by Mauricio Anton/Wikimedia Commons) Woolly mammoths are depicted ...

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 ...

In just the last several months, de-extinction—bringing back extinct species by recreating them or organisms that resemble them—has moved closer from science fiction to science fact. Colossal ...