You can find information & resources of science, biotechnology, chemistry, ecology, technology, science resources, mechanical engineering, earth sciences, astrophysics, nuclear & molecular at PortalScience.com
AuroraWebCam.com
Northern lights international project from Alaska. Includes a live webcast, photo and video galleries, and a forum.
http://www.aurorawebcam.com/
International Solar-Terrestrial Physics (ISTP)
a set of missions to investigate the Sun-Earth space environment, to be carried out during the 1990s and into the next century.
http://www-istp.gsfc.nasa.gov/
NASA Orbital Debris Program Office - Johnson Space Center
Developing an improved understanding of the orbital debris environment and measures that can be taken to control its growth. Includes FAQs, measurements, modeling, mitigation and protection, and quarterly newsletter.
http://www.sn-callisto.jsc.nasa.gov/
Northern Lights Space and Science Centre
features an interactive display that explains the science and folklore of the Northern Lights.
http://www.northernlightscentre.ca/
SpaceWeather.com
current research news plus daily forecasts of solar flares and geo-magnetic storms from NASA.
http://www.spaceweather.com/
