For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

I remember my grandfather telling me about the macaws in this region. So, it’s impossible not to smile seeing them back. We ...

Mysterious large paw prints found in the Blue Mountains spark new speculation about the legendary panther said to roam the ...

Along the long road from American icon to endangered species and back again, the bald eagle — the national bird of the United ...

In this forest thick with trees up to 600 years old lives the southernmost population of the California condor (Gymnogyps californianus), the only one outside the United States. Dozens of the ...

NPR's Ailsa Chang talks with Emily Kwong and Regina Barber of Short Wave about the fluid dynamics of crowds, an early fossil of a modern bird and new data on how people's moods change through the day.