More and more species are becoming endangered and facing the threat of extinction because of human activities. To ensure that these species aren't lost forever, the U.S. Fish and Wildlife Service is ...

Cows are a surprisingly common subject for scientific research, and scientists have decided to try cloning them, genetically ...

Yes, you can pay $50,000 to clone a pet. But others are using the technology to rescue endangered species. This week, we heard that Tom Brady had his dog cloned. The former quarterback revealed that ...

The victims of extinction are countless and their killers numerous—but, in recent centuries, there’s been one obvious, enduring culprit: Homo sapiens. As humankind has increased in numbers and ...