SpaceRef Almanac:
A broad source of space-flight information - daily updates, calendar
of events, directory of space-related sites, discussion fora, and
gateways to space science and astrobiology and the 'Whole Mars
Catalog'. A service of Discovery.com.
http://www.spaceref.com/
StarDate:
Plan your backyard stargazing with the celestial information gleaned
from this web.
http://stardate.utexas.edu/
