Reproductive scientist Gabriela Mastromonaco on the impossibility of truly reviving extinct species, the dangerous ...

WHO SAYS THERE’S no good news? Colossal Biosciences, a Dallas-based company, announced the birth of three dire wolf pups that represent the world’s first “de-extinction.” ...

The reindeer pack on fat while they ... take part in a small annual hunt. Wolves and wolverines don’t live here. Polar bears chase marine mammals, and Arctic foxes go for smaller prey or carcasses.