<p>AP Photo/Elaine Thompson Planetary Resources Inc. president and chief engineer Chris Lewicki speaks behind a full-size prototype model of a low-orbit spacecraft at a news conference announcing a plan to mine nearby asteroids Tuesday in Seattle.</p>
April 25, 2012
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April 25, 2012 9:15 p.m.
Taking our mining to new heights
Asteroids may yield precious metals,cosmic riches
SEATTLE (AP) - Using space-faring robots to mine precious metals from asteroids almost sounds easy when former astronaut Tom Jones describes it - practically like clearing a snow-covered driveway.