A fossil is the preserved remains or traces of a dead organism. The process by which a fossil is formed is called fossilisation. It’s very rare for living things to become fossilised.

Watch our animation to discover how this happened, and explore the process in more detail below. A fossil is physical evidence of a prehistoric plant or animal. This may be their preserved remains or ...

Paleontologist Roger Benson of the American Museum of Natural History in New York City explained how fossils are defined. He specifically notes how fossils differ from skeletons, how fossils don ...

These kinds of fossils can be formed in two major ways. Casts occur when the decaying remains dissolve completely and leave a space that becomes filled-in or replaced by sediment which then ...

Then when we go to those places, there should be some chance of finding a dinosaur.' Topographic maps can also be useful in the hunt for fossils. These show vertical depth as well as man-made ...