DNA analysis reveals the big, flightless moa birds ate — and pooped out — 13 kinds of fungi, including ones crucial for New Zealand’s forest ecosystem.

Imagine creatures that have survived since the time of dinosaurs. Species like the tuatara, sturgeon, crocodile, hagfish, ...

A 68-million-year-old skull fossil found in Antarctica has revealed the oldest known modern bird, which was likely related to ...

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucatán Peninsula of Mexico ...

In the long and storied history of earth, there have been five mass extinctions, the most famous, of course, being the ...