Dire wolves who were prominent in HBO's "Game of Thrones" series no longer belong solely to the realm of fantasy. Meet Romulus, Remus and Khaleesi.

It was recently announced that Colossal, a Texas-based bioscience firm, had succeeded in editing the genome of three gray ...

Colossal has managed to breed after genetically engineering ancient dire wolf DNA into genomes of grey wolves, their closest living relatives.