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

The cloning of human embryos by South Korean researchers has reignited debate about how to regulate human cloning. No reputable scientist wants to make artificial babies. But, there is heated ...

Scientists believe there are only a few hundred black-footed ferrets still living in the Western United States. The carnivores once thrived on the plains between Canada and Mexico, but humans plowed ...