Hammered open by people like Wittry to find a prize inside, they represent one of the most spectacular fossil beds on the planet: the Mazon Creek lagerstatte, or mother lode. Wittry lifts a two ...

Arjan Mann, a paleontologist at the Field Museum of Natural History who specializes in Mazon Creek fossils, is studying what he thinks might be a new species of salamander ancestor. This fossil is ...

You don't have to do fieldwork to make the next great scientific discovery. Sometimes, amazing finds are hiding right under your nose.