Project Galileo: Bringing Jupiter to Earth: http://www.jpl.nasa/gov/galileo/index.html
An incredible array of information and technology regarding the exploration of the space probe Galileo.
Galileo: His Science and His Significance for the Future of Man: http://www.adasi.com/book1.html
Information relating the studies and ideas of Galileo Galilei and their relevance to current and future space exploration.
Galileo Flyby of the Moon (1990): http://nssdc.gsfc.nasa.gov/planetary/lunar/lunargal.html
Fantastic information about Galileo's flyby of our moon.
It's About Now: http://seaborg.nmu.edu/seaborg/internet/now.html
Up-to-the-minute data regarding many aspects of our solar system and other objects in the universe.
AstroWeb: Astronomy/Astrophysics on the Internet: http://www.w3.org/pub/DataSources/bySubject/astro/astro.html
Ability is given to access much astronomical data by subject.
Astronomy Picture of the Day: http://antwrp.gsfc.nasa.gov/apod/astropix.html
The "Astronomy Picture of the Day" - WOW! with the ability to go back to view other days.
The Fermilab Education Office Homepage: http://www-ed.fnal.gov"
This is a wonderful site filled with information for students about particle physics including a newspaper with cartoon and puzzles and an opportunity to calculate the mass of the top quark using real data!