It's Official: Planetary Resources Unveils Plans for Asteroid-Mining

A recently announced space venture backed by James Cameron, Google executives, and others isn't scheduled to formally announce its plans until later today, but as of late last night, the news is official: Planetary Resources, Inc. is fixing to do some asteroid-mining. Here's everything we know about the venture so far. » 4/24/12 7:55am 4/24/12 7:55am