As the years go by, more and more species of animals reach the brink of extinction or disappear completely. The health of the ...

A new study projects biodiversity threats if global warming speeds up. Under the most extreme scenarios, about one in three ...

Neanderthals went extinct roughly 39,000 years ago, but in some sense these close cousins of our species are not gone. Their ...

A biologist at the University of Connecticut has found evidence that up to a third of all species alive today could go ...