A good way to start an argument among biologists is to ask them what seems a simple question: "What is a species?" To evolutionary theorists, a species is a fundamental unit, and transitions between ...

In the Smoky Mountains of North Carolina, Rackham student Matthew Chatfield carefully inspects each salamander before he snaps off their tails with his hands and brings the tails back to his lab in ...

Seven-year-old Allen has a problem many of us face: He would like to be half-man, half-cheetah, but he doesn't know where to begin. Does the technology exist to give him the spots, speed, adorable ...

BANGKOK: Thailand now requires ownership registration for ligers and tigons, hybrid animals from lions and tigers, to improve safety and close legal loopholes The Ministry of Natural Resources and ...