Pet cloning is always a hotly debated topic. From concerns about the surrogate animals, to the cost of the procedure, and ...

Since Dolly the sheep was cloned in 1997, biologists have cloned at least 16 other species, from mice and goats to pigs, cats, dogs and ferrets. For a couple of years starting in 2004, it looked like ...

A female woolly mammoth unearthed in Siberia has undergone autopsy, and the team of scientists believe they will be able to extract high quality DNA. Michelle Starr is CNET's science editor, and she ...

Tom Brady revealed his dog was cloned. Learn how pet cloning works, what it costs and what veterinarians say about health ...

When Barbra Streisand revealed to Variety magazine that she’d had her dog cloned for $50,000, many people learned for the first time that copying pets and other animals is a real business. That’s ...