Romulus and Remus are doing what puppies do: chasing, tussling, nipping, nuzzling. But there’s something very un-puppylike about the snowy white 6-month olds—their size, for starters. At their young ...

Dire wolves, made famous by “Game of Thrones,” went extinct some 13,000 years ago. Now, researchers have bred gray-wolf pups that carry genes of their ancient cousins. By Carl Zimmer Carl Zimmer ...

A U.S. company has taken a step aimed at bringing the dire wolf back from oblivion. Dallas-based Colossal Biosciences has announced the birth of three genetically engineered wolf pups − all with ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

In a secret location in the United States, two white wolves are lounging in the grass in a sunny, roughly one-acre enclosure. It’s early spring and a chill wind blows through bare trees nearby. The ...

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 ...