A biotechnology company whose goal is to bring back the wooly mammoth says its recent small step is big news. Colossal ...

What the dodo symbolizes has changed over time. It has been, variously, a parable, a joke and a warning. When we see it as an ...

Tasmanian tiger (thylacine), and the dodo - meaning five species in total could be brought back to life. But now they are turning their focus to the giant Ice Age bear - also known as Arctodus ...