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SpaceKepler space telescope finds its first extrasolar planets
The NASA mission uncovers one Neptune-like and four Jupiter-like bodies.
By Ron Cowen -
SpaceNew-found galaxies may be farthest back in time and space yet
Potential finding uses data that push limits of current technology.
By Ron Cowen -
EarthAge of solar system needs a fresh look
Honed measurements show age overshot by amount significant to earliest stage of formation.
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On the Fringe
Astronomers look to the Kuiper belt for clues to the solar system’s history.
By Ron Cowen -
Evolution’s Bad Girl
Ardi shakes up the fossil record.