Dire wolves, made famous by HBO's Game of Thrones, have been extinct for around 12,500 years. But thanks to genetic engineers at biotech company Colossal Biosciences, these majestic predators are back.

For the first time ever, scientists say they have made a species de-extinct, bringing the dire wolf back into the world thousands of years after it died off. Colossal Biosciences, a company based in Dallas,

Their DNA is very close to that of the grey wolf. Here is all we know about Romulus, Remus and Khaleesi, the pups.