Project CLEA at Gettysburg College and the XMM-Newton Education group at Sonoma State University have created a new computer-based activity. Students analyze realistically simulated X-ray spectra of a supernova remnant...

PBS presents a timeline of the universe from the Big Bang to the future. This interactive website offers concise introductions to many of the key developments of the universe including the formation of elements, the...

This website from the Australian Telescope Outreach and Education group provides a thorough introduction to the life and death of stars. The website uses text, diagrams, and images to help explain how stars evolve....

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...