Discover the accuracy of dating methods and fossils because of the scientific approach used.

Through fossils scientists have been able to study the evolution of whales. Read this article to take a closer look at the details.

Students will define the term fossil, identify the difference between a mold and a cast fossil, and understand how scientists use models to learn about the physical structure of something in the natural world.

The information provided at this site is part of a larger online exhibit centered on fossils and fossil research. The shark tooth is listed as one type of fossil and here it is pictured and described.

The Coelophysis is New Mexico's official state fossil. It lived in the late Triassic Period and has only been found in New Mexico. Popular questions about this dinosaur are answered here. In addition, there are numerous documents about...

At the online companion Web site of "Evolution," the seven-episode series on PBS, piece together clues to how one of our early ancestors looked as you examine images from four significant fossil finds of Australopithecus afarensis.

Is it a feathered dinosaur, or the ancestor of birds? Find out about the Archaeopteryx lithographica whose fossil remains show feathers similar to that of a bird, and whose skeleton resembles that of a dinosaur.

This is an online photocopy of the original text of the children's book Old Bones, or, Notes for Young Naturalists by W. S. Symonds (1861), includes information and illustrations about vertebrates and their fossils.

Explore the different types of rocks on our Earth as you watch a one-hour video, accompanied by learning goals, details on sedimentary rocks, fossils, and supercontinents, and more.

In this interactive tutorial you will explore how geologists use clues in rocks to determine the order in which rocks formed. Learn how principles of radioactivity are used to assign actual ages to rocks. Students will explore fossils...

The Grand Canyon is an excellent model for learning about Earth's rock formations. Young scholars will look at fossils and the differences in layers to understand how the Earth changed over time. Resources included are detailed...

Pseudofossils are materials that are sometimes mistaken for fossils. They include concretions and dendrites, described here.

Picture of the fossil Leanchoilia superlata from the Phylum Arthropoda recovered from Burgess Shale.

Seven pages all about Carbon 14 Dating. Information on half-life, Carbon 14 used to date specimens and artifacts, limitations, charts and graphs. Michael E. Brown Ph.D. contests that the limitations of Carbon 14 dating support the theory...

The oldest fossils of modern humans (Homo Sapiens) found near Omo Kibish, Ethiopia, have been identified as being approximately 196,000 years old. This article points out the amazing significance of these findings.

[Free Registration/Login may be required to access all resource tools.] Recognize the harmful contributions of burning fossil fuels on the environment and understand the impact of the acidification of the earth's oceans.

Geological eras showing the fossils found in each rock layer.

Discover the Oviraptorosaur in this impressive field guide presented by the Carnegie Museum of Natural History.

This is the official site for the State of Utah provides information on services, the state government, governor, business, employment, education, and facts about Utah.

This site has a colorful display of information about Maine. It contains a map, pictures, a list of state symbols, and links to related information.

This site has a colorful display of information about Missouri. It contains a map, pictures, a list of state symbols, and links to related information.

This site has a colorful display of information about Nebraska. It contains a map, pictures, a list of state symbols, and links to related information.

This site has a colorful display of information about North Dakota. It contains a map, pictures, a list of state symbols, and links to related information.

This site has a colorful display of information about Virginia. It contains a map, pictures, a list of state symbols, and links to related information.