Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...

A new study finds that one of the hottest periods in Earth's history may have driven lampreys apart -- genetically speaking. The work could have implications for how aquatic species respond to our ...

Forget what you thought you knew about fireflies. A remarkable discovery reveals their iconic glow was already lighting up ...

A recent discovery of a Tenontosaurus fossil in West Texas has reshaped our understanding of early dinosaurs in the Southwest. The study, published in the New Mexico Museum of Natural History and ...

The Late Cretaceous modern (crown) bird,Vegavis iaai, pursuit diving for fish in the shallow ocean off the coast of the Antarctic peninsula, with ammonites and plesiosaurs forcompany. Sixty-six ...