> Fossils, Time & Evolution

Collect Fossils (11) Paleontology (26) Fossil Creatures (82) Geologic Time and Dating (30) World-Class Fossil Sites (44) Evolution (13) See Fossil Exhibits Online (17)

What Are Fossils?
Fossils are precious gifts from the geologic past.

The About Geology Fossil Gallery
A select set of fossil pictures from your Guide.

Geologic Time Scale
Start with the eons and eras, then work your way down to the periods and epochs.

Mapping Deep Time: About Geologic Time Periods
How, and why, we keep track of geologic time without using clocks or numbers.

Measuring Deep Time: About Isotopic Dating
Explaining the isotopic dating method in terms of your backyard barbecue.

A Brief History of the Precambrian
Four billion years condensed into two pages.

Looking Back Through Lagerstätten
Introducing these world-class fossil sites and what they mean for science.

Geo-Quiz 6: Fossils
Can you ace this millionaire-type quiz? Maybe the high stakes would leave you . . . petrified.

Fossils at an Exhibition
These aren't your father's museums: an article by your Guide introducing the new breed of online paleontology exhibits.

What Is Petrification?
It's a special kind of fossilization.

Ancient Remains
The actual bodies of dead (and living) things can last nearly forever.

How Are Fossils Formed?
Doug Mann of fossil-facts-and-finds.com gives a kid-friendly explanation of this perennial question.