ASTRONOMY
National Aeronautics & Space Administration (NASA)
Space Weather: News & information about the sun-earth environment
Astronomy Café: The website for the astronomically disadvantaged
GEOLOGY
U.S. Geological Survey: For anything geology!
Seismic Monitor: Real time earthquake map!
Earthquake Hazards Program: Everything earthquakes!
METEOROLOGY
Roosevelt High School: Real Time Weather Station!!
National Oceanic & Atmospheric Administration (NOAA): Global Weather
WDIV: Detroit’s Channel 4 Weather with Chuck Gaidica
RANDOM COOL STUFF
Earth Science Picture of the Day