SUNSET: 
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OGLEing Possible New Planets
By carefully watching the brightnesses of 52,000 stars, astronomers have found 43 that have small, dark objects periodically crossing their faces.
Mars Odyssey Pays Early Dividends
After successfully settling into orbit around the Red Planet, NASA's Mars Odyssey has begin its 2½-year mapping mission.
A Galaxy Turning Backward?
A spiral galaxy's arms trail behind when it rotates, right? Not always.
Giant Eye Views the Horsehead
The cosmic chess piece, the Horsehead Nebula, is seen in all its glory through the eyes of the VLT.
Close-Up of an Alien World
The lunar surface consists of more than just craters and mare. Here's a guide to some of the other lunar features.