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

Conservationists say five Hawaiian crows have been released on Maui for the first time as part of an ongoing effort to return ...

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

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