NASA PlanetQuest in the Yahoo! Directory

PlanetQuest: Exoplanet Exploration [read review]
Official NASA site for the PlanetQuest missions. Includes news of new planet discoveries, information on the latest extrasolar planet research, and a new worlds atlas.
planetquest.jpl.nasa.gov
Night Sky Network
Nationwide coalition of astronomy clubs bringing the science and inspiration of NASA's mission to the public. Founded by JPL's PlanetQuest program.
nightsky.jpl.nasa.gov
SIM PlanetQuest
Mission to determine the positions and distances of stars several hundred times more accurately than any previous program.
planetquest.jpl.nasa.gov/SIM/sim_index.html
New Worlds Atlas - Planet Quest
Search for exoplanets by planet system (planets with host stars visible to the naked eye, planets within multiple planet systems, or transiting planets), planet type (pulsar planet, gas giant, hot Jupiter, hot Neptune, terrestrial), or by name.
planetquest.jpl.nasa.gov/atlas/atlas_index.cfm
Keck Interferometer
Profile of the ground-based component of NASA's Origins Program, which addresses fundamental questions about the formation of galaxies, stars, and planetary systems.
planetquest.jpl.nasa.gov/Keck/keck_index.html