1. Home
  2. Education
  3. Geology

Fossils, Geologic Time and Evolution

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.

Explore Geology

More from About.com

  1. Home
  2. Education
  3. Geology
  4. Fossils, Time & Evolution

©2008 About.com, a part of The New York Times Company.

All rights reserved.