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In this illustration, debris along the outer reaches of a planet-forming disk orbits in the glare of a distant sun.
March 5, 2013 It may be far more likely that our first evidence of intelligent life in space will come by detecting their industrial waste. Commentator Adam Frank highlights a study on how we might spot the signs from Earth.
A picture of the Eros asteroid taken by a NASA spacecraft.
April 24, 2012 A new company plans aims to launch unmanned vehicles into space to search for asteroids and mine them for scarce natural resources, including iron and platinum. They'll also look for water.
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