One of North America’s most endangered species is getting a new lease on life thanks to technological innovations. This past ...

Researchers in China have successfully cloned the first rhesus monkey, a species widely used in medical research because of its physiological similarity to humans. The monkey, named Retro, is now more ...

Animal cloning was once considered to be a science-fiction fantasy, but then came Dolly the sheep in 1996 — the first mammal to be cloned from an adult cell — and suddenly the concept became an ...