This online magazine offers news articles on topics including: the search for extrasolar planets that resemble Earth; mapping the dark matter of the cosmos; black holes; current space missions; the relation between the...

Planet Quest is a website dedicated to keeping the public updated and informed about the recent discoveries of over one hundred extrasolar planets. This website provides information on NASA's missions, the technology...

Authored by Nick Strobel, "Astronomy Notes" is an educational resource for introductory astronomy classes for undergraduates. This section discusses smaller planetary objects, such as asteroids, meteorites, and comets,...

Created by Bill Arnett, "The Nine Planets" is an overview of the history, mythology, and current scientific knowledge of each of the planets, moons, and some other objects in our solar system. Text, images, sounds, and...

This website, authored by George Bell of Arizona State University, gives an extensive outline of the history and results of the discovery of extrasolar planets. Topics include planetary like objects, orbiting pulsars and...