On a fenced U.S. preserve, a pair of heavy‑boned canids now stalk and play that, until recently, existed only in tar pits and textbooks. Colossal Biosciences says these living pups carry the signature ...

For months, researchers in a laboratory in Dallas, Texas, worked in secrecy, culturing grey-wolf blood cells and altering the DNA within. The scientists then plucked nuclei from these gene-edited ...

Colossal Biosciences, an American biotechnology company, announced the "de-extinction" of the dire wolf, a prehistoric wolf species that died out more than 10,000 years ago, in April 2025. Three pups ...

Just more than a week has gone by since Colossal Biosciences, the company seeking to bring back the woolly mammoth, revealed it had produced three live dire wolves puppies – Remus, Romulus and ...

For over 200,000 years, dire wolves roamed across North America—from southern Alberta, Canada to Florida, and even down into Chile. The ancient animals were megafauna hunters, ultimately disappearing ...

When news broke that scientists in Texas had successfully reintroduced the long-extinct dire wolf to the modern world, more people than just “Game of Thrones” fans took notice. Researchers at the ...

Romulus and Remus are the genetically modified gray wolves that Colossal Biosciences endowed with traits of the extinct dire wolf. (Credit: Colossal Biosciences) Last week, Colossal Biosciences made ...