Fossils and Earth History

Fossils, Rocks, and Time - general guide provides an overview of geologic time and the use of fossils to determine the age of layers in the earth.

Geologic Age

Our Changing Continent - general interest publication provides images and descriptions of how the landscape of North America has changed over time.

Paleontology Portal - Museum of Paleontology - about Earth history, fossils, and the science of paleontology - home to most of the western USGS fossil collections and other historic fossil collections.

Life of a Vertebrate Fossil - traces the journey of fossils from discovery to display; what paleontologists do in each stage a vertebrate fossil's life -- digging up fossils, getting them to the laboratory, preparing them for research & exhibition, & understanding what they say about past life.

Paleontology - Paleontology and related disciplines along with Education Resources for Paleontology - paleontology and related earth and biological science disciplines

Dinosaurs: Ancient Fossils, New Discoveries - what we know about dinosaurs from recent studies of their tracks, how they moved, & their unusual body parts (e.g. spikes, armor); "Extinction" examines the mass extinction 65 million years ago -- the possible causes, how many of the plants & animals alive at that time died out, & which dinosaurs survived; and interviews with paleontologists