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Launched on June 30, 2001, WMAP maintains a distant orbit about the second Lagrange Point, or
The Oldest Light in the Universe

A NASA satellite has captured the sharpest-ever picture of the afterglow of the big bang. The image contains such stunning detail that it may be one of the most important scientific results of recent ...

Venus Is Hot Stuff

At first glance, if Earth had a twin, it would be Venus. The two planets are similar in size, mass, composition, and distance from the Sun. But there the similarities end. Venus has no ocean. Venus is ...
This is an artist
Cosmos Provides Astronomers with Planet-Hunting Tool

If only astronomers had a giant magnifying glass in space, they might be able to uncover planets around other stars. Now they do -- sort of. Instead of magnifying a planet, astronomers used the magnif ...

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