For days, a runaway wolf kept rescuers — and an entire country — on edge. Now, after a dramatic search, he's finally back home. Neukgu, a 2-year-old wolf who escaped from a zoo in South Korea, was ...

Independent scientists say the technology, while impressive, lacks some components to be truly considered an artificial egg.

Colossal Biosciences, a Texas-based biotech company known for its de-extinction agenda and previous claims about genetically engineering dire wolves, has successfully hatched 26 chicks from artificial ...