Ancient fish illuminates one of the mysteries of childhood

Remember dropping your milk teeth? After a lot of wiggling the tooth finally dropped out. But in your hand was only the enamel-covered crown: the entire root of the tooth had somehow disappeared. In a paper published in Nature, ...

Whales in the desert

In Cerro Colorado, located in the Ica Desert of Peru, sedimentary sequences dating back nine million years have been found to host the fossil skeletons of hundreds of marine vertebrates.

A Jurassic world of salamanders

Salamanders are fairly adorable, but often forgotten, animals. Because their skeletons are pretty delicate, the fossil record for this group is spotty, with many ancient forms known only from vertebrae or jaw bones. As ...

Who's in that vomit, anyhow?

Everyone likes "gross" fossils. Fossil poo always gets attention, and infected bones are cool to look at, but vomit is fairly unusual in the fossil record. One of the best known examples (at least to paleontologists with ...

Amateur paleontologist finds rare fossil of fish in Arizona

Growing up, Stephanie Leco often would dig in her backyard and imagine finding fossils of a tyrannosaurus rex. She was fascinated with the idea of holding something in her hand that was millions of years old and would give ...

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