World Almanac for Kids: Comet -- [ Teens/Mature Teens ] - Tells the history, composition & collisions that comets have had. Visit

Comet Information -- [ Kids/Teens/Mature Teens ] - What are comets, where they come from, & will they hit the earth. Visit

Comets -- [ Kids ] - Explains what in inside a comet, and how come we can see it even though it does not make its own light. Visit

Comet Nucleus Sample Return Mission -- [ Kids/Teens ] - Explains how NASA sent a rocket to meet a comet & return a little of it back to Earth. Visit

FactMonster: Comets -- [ Teens/Mature Teens ] - Encyclopedia article describles the basics of comets. Visit

Quiz about Comets -- [ Kids/Teens/Mature Teens ] - Test your knowledge of comets with this little quiz. Visit

Comets -- [ Teens/Mature Teens ] - What comets are made of, & explore NASA missions that went to different comets. Visit

Comet Impact -- [ Teens/Mature Teens ] - A video simulation of a comet hitting the Earth. Visit

Kidsastronomy: Comets -- [ Teens/Mature Teens ] - Tells where comets come from, & a few pictures too. Visit

The Why Files: Comets -- [ Teens/Mature Teens ] - Pictures of comets, what they're made of, & their role in Earth's history. Visit

Comets -- [ Teens/Mature Teens ] - Diagrams, pictures, and movies of comets all help us understand what they are. Visit

What is a Comet -- [ Kids/Teens/Mature Teens ] - Explains what's inside a comet, how it moves, and the two most famous comets. Visit

Zoom Astronomy: Comets -- [ Teens/Mature Teens ] - Information on comet origins, and major comets. Visit

Astronomy For Kids: Comets -- [ Kids/Teens ] - Gives a few basic facts about comets. And a few pictures. Visit

NOVA Online: Doomsday Asteroid -- [ Mature Teens ] - Transcript of the television broadcast, kitchen comet activity, general information on comets. Visit

Captain Comet -- [ Kids/Teens/Mature Teens ] - Ask Captain Comet a question & learn how to make your own comet. Visit

BBC: Comets -- [ Teens/Mature Teens ] - Explore what a comet is, what's in the tail, & a few famous comets. Visit

Cometography.com -- [ Teens/Mature Teens ] - Links to currently visible comets, plus has a comet catalog & memorable comets of the past. Visit