The dire wolf has been brought back from extinction after more than 10,000 years, a U.S. biotech start-up has announced.

Zoologist Philip Seddon from the University of Otago in New Zealand explained the animals are "genetically modified grey ...

What do we know about these prehistoric wolves? Dire wolves went extinct roughly 13,000 years ago. Their skeletal remains have been found in North and South America, according to the National Park ...