This collection of teaching tools, authored by the Space Telescope Science Institute (U.S.) includes lithographs, fast facts, graphic organizers, question and answer sessions, and online explorations on an array of...

The American Geophysical Union (AGU), which was established in 1919 by the National Research Council and for more than 50 years operated as an unincorporated affiliate of the National Academy of Sciences, is now a...

Created by astrophysicist Richard Powell, An Atlas of the Universe is a Web site that allows visitors to see nine main maps of the universe, ranging from 12.5 light years to 15 billion light years from the sun. Each map...

This video segment, adapted from a NOVA broadcast, explores the possibility that extraterrestrial life might exist, and that there may even be advanced alien life. The segment covers the Search for Extraterrestrial...

This radio broadcast discusses the renewed interest among space scientists in studying asteroids. Once disdained as uninteresting, asteriods are now considered to represent pristine material, essentially unchanged since...