Astronomy
Astronomy Picture of the Day - Enjoy daily images of the universe provided by NASA and the Michigan Technological University.
Clear Dark Sky Charts
- Use this very cool site designed by Attilla Danko to find out what
the astronomical viewing conditions will be at over 2100 sites in North
America. For the chart of the Astronomical Adventures viewing site, click here.
European Southern Observatory - The ESO is Europe's inter-governmental astronomy organization, providing state-of-the-art research facilities to astronomers and astrophysicists.
Hubble Heritage Project - See images from the telescope that has rewritten our views of the universe, provided by the Space Telescope Science InstituteInternational Dark Sky Association - Founded in 1988, the International Dark Sky Association is a champion of preserving dark skies and calling attention to the hazards of light pollution.
Meteor Crater - Located west of Flagstaff, Barringer Crater is the best preserved meteor impact site in the world.
Space Weather - News and information on the Sun-Earth environment, including current sunspots visible, aurora alerts and satellite flybys for your location.
Geology
Arizona Geology - The website of Stephen J. Reynolds, geology professor at Arizona State University.
U.S. Geologic Survey, Flagstaff - Log on to the Flagstaff Science Campus to learn about the USGS research and work in Northern Arizona.
Northern Arizona
Flagstaff - The Gateway to the Grand Canyon
Sedona - Red Rock Country
On-Line Publications
