Long before global warming was the biggest environmental issue, the planet was in the opposite kind of funk — an ice age lasting around 2.6 million years. During this time, starting about 700,000 ...

Researchers have sequenced the oldest RNA ever recovered, taken from a woolly mammoth frozen for nearly 40,000 years. The RNA reveals which genes were active in its tissues, offering a rare glimpse ...

In recent months, the Dallas-based biotech firm Colossal Biosciences announced the rebirth of the long-extinct dire wolf and woolly mammoth, species that had been extinct for thousands of years, ...

Researchers have successfully recovered intact RNA molecules from a woolly mammoth that died nearly 40,000 years ago in Siberia. It is the oldest RNA ever sequenced from an extinct vertebrate—and the ...

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 ...