This is a natural mould. If water rich in minerals fills this space, crystals can form and create a fossil in the shape of the original bone or shell, known as a cast fossil. Or sediment can fill the ...

The early part of the twentieth century saw evolutionary theory embattled by disagreements over Darwin's emphasis on natural selection ... were convinced that the fossil record could best be ...

Visit the University of Colorado Museum of Natural History's Paleontology Section. The Fossils in the Classroom project is generously funded by the CU-Boulder Office of Outreach and Engagement and the ...

"The find was initially misidentified as a crocodile skull," says Michael Stache, a geological preparator at MLU's Central Repository of Natural Science Collections. Stache came across the fossil ...

based on the locations of the currently oldest-known dinosaur fossils, the evolutionary relationships among these early forms and Earth's geography during the Triassic Period. This locale spans ...

This discovery suggests that Neanderthals may have had a deep appreciation for the natural ... fossils can be understood as evidence of an artistic interest or an attraction or curiosity for the ...

Evidence for early forms of life comes from fossils. By studying fossils, scientists can learn how much (or how little) organisms have changed as life developed on Earth. There are gaps in the ...

Renewable energy is energy derived from natural sources that are replenished ... that take hundreds of millions of years to form. Fossil fuels, when burned to produce energy, cause harmful ...