A study of North America's only native parrot confirms its disappearance was down to humans alone.

Icelandic Medieval literature, in addition to ancient DNA and carbon dating, tell the likely story of how Iceland lost its unique walrus population.

The tiny stone tools of our prehistoric ancestors were like the disposable razor blades or paperclips of today—pervasive, easy to make, and easily replaced.

As gray wolves continue to make a strong comeback in Washington state, deer have had to get smart to avoid getting eaten.

11,500-year-old bones add new information to the story of dogs and people living and working together.