Science News
    http://www.sciencenewsforkids.org/

The Why Files
    http://whyfiles.org/

LiveScience
    http://www.livescience.com/

BBC News:  Science/Nature
    http://news.bbc.co.uk/1/hi/sci/tech/default.stm

Space.com
     http://www.space.com/

EurekaAlert
    http://www.eurekalert.org/index.php

Science@ NASA
    http://science.nasa.gov/

Space Science
    http://spacescience.com/default.htm

CNN Science and Space news
    http://www.cnn.com/TECH/space/