Aerospaceguide.net: Near Earth Asteroid
Descriptions of asteroids, comets, and near Earth objects.
Asteroids and Comets
Data from across NASA, compiled at the National Space Science Data Center.
Asteroids, Comets, and Meteorites: Their Intimate Relation with Life on Earth
A curriculum prepared by the Yale-New Haven Teachers Institute.
BBC NEWS: Astronomers Discover 'New Planet'
A telescope has detected what could be the Solar System's 10th planet, Sedna.
Comets and Meteor Showers
Includes news, information, professional and amateur observations as well as historical research. Compiled by Gary W. Kronk.
Meteorites and Asteroids
Companion resource to an astronomy textbook, contains links and current news about meteorites and asteroids.
Nine Planets: Sedna
General information on the object officially known as 2003 VB12. This object is the most distant body known that orbits our Sun.
NOVA Online: Doomsday Asteroid
Transcript of the television broadcast, kitchen comet activity, general information on comets.
Planetary Data System: Small Bodies Node
Data concerning asteroids and comets, in a standard format for use primarily by astronomical observers and mission planners, as well as educators and students.
The Nine Planets: Small Bodies in the Solar System
Overview of asteroids, comets, meteors. Images, data, links.