What do fossilized leaves, an asteroid, and Florida sinkholes have in common? Dr. Kirk Johnson is Sant Director at the Smithsonian Institution, National Museum of Natural History, and has the answers.

Dive into deep time to discover how fossils form, the ocean's surprising origins, and more. What do fossilized leaves, an asteroid, and Florida sinkholes have in common? Dr. Kirk Johnson is Sant ...

Scientists have found that X-Ray scanning reveals secrets of fossil formation without disturbing the decay of buried carcasses A new study published in Palaeontology has confirmed that X-ray computed ...

Enter the fossil gallery of a natural history museum, and you're likely to encounter spectacular skeletons of some of the most manifestly awesome creatures ever to have walked our planet: dinosaurs.