This site, created by the National Aeronautics and Space Administration, contains relevant information on Near Earth Objects (NEO). The site includes current tables with tracking data for potentially hazardous asteroids...

At NOVA's Origins website, users can "journey back to the beginning of everything: the universe, Earth, and life itself." The web site offers a series of interactive modules where visitors can decide if life exists on...

Authored by Eleanor Kopsian of Franklin Frazier, this is an activity intended to help students understand orbital motion and Kepler's Laws through a comparison of a circle and an ellipse and the application of Kepler's...

Authored by Nick Strobel, "Astronomy Notes" is an educational resource for introductory astronomy classes for undergraduates. This section discusses the sun and other stars. Topics discussed pertaining to the sun...

This resource is a free online version of the Benchmarks compiled and published by the American Association for the Advancement of Science (AAAS). It is a statement of what all students should know and be able to do in...