David adds, 'We don't know about many dinosaurs that lived in jungle or mountain environments. Fossils are very unlikely to form in such situations.' A fish fossil. Nearly all fossils we find are from ...

Fossils can be formed in several ways. Buried bone and shell contain tiny air spaces into which water can seep, depositing minerals. Reinforced by these mineral deposits, bone and shell can ...

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.

Many textbooks describe how fossils form, but few refer to the fossils that are accumulating now, in sediments at the bottom of a local lake or river, in a peat bog, or along a beach. The remains ...

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 ...

Preserved footprints, also known as ichnites, are a type of trace fossil and a window into the lives of dinosaurs. They formed in the same way our footprints do when walking on soft ground like mud.