Does a duck always look like a duck and quack like a duck? Sixty-six million years ago, at the end of the Cretaceous Period, ...

Ancient DNA is telling us more and more about humans and environments long past. Could it also help rescue the future?

As the Madre de Dios River flows through Peru toward the Amazon, it eats away at the landscape, slowly turning rock into mud.

A new exhibit featuring nearly 300 never-before-seen fossils will open at the New Mexico Museum of Natural History & Science ...

New research by scientists at the American Museum of Natural History and the University of Nebraska-Lincoln reports, for the ...

But, alas, the mosasaurs were not dinosaurs. As with plesiosaurs, the biggest giveaway is its habitat: “With the exception of ...

In a nutshell A newly discovered 69-million-year-old bird skull from Antarctica proves that modern birds were already diverse ...

Digital reconstruction of the Late Cretaceous (~69 million years old) crown bird Vegavis iaai that was completed following ...

A new study in Nature describing a fossil of a nearly complete and intact bird skull from Antarctica is shedding light on the ...

Antarctica may have been a refuge for early waterfowl ancestors, shielding them from the mass extinction that wiped out the dinosaurs.

Discover evidence of natural selection and evolution at the Smithsonian's Natural History Museum (Meredith Bragg) What Is an Aurora? (03:13) National Treasure: The Fearsome Science Behind the T.