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 ...

Fossils are the remains or traces left behind by life forms that existed long ago and are normally found in sedimentary rocks. They are usually very small, like micro shells or pollen, and sometimes ...

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 ...