Here's a talk given at TED talking about end-of-life asteroids and what we can do to stop/harvest them. There's a Ghostbusters and Star Trek shout out in there as well. Very cool!
http://www.ted.com/talks/phil_plait_how ... roids.html
Asteroid Defense League
Re: Asteroid Defense League
A two mile wide comet is heading our way!
http://gizmodo.com/5947845/astronomers- ... towards-us
http://gizmodo.com/5947845/astronomers- ... towards-us
Astronomers Discover Huge Comet Hurtling Towards Us
The Mayan Apocalypse nutcases will pass out when they learn that two Russian astronomers have discovered a new and gigantic comet coming in our direction—a huge two-mile wide ball of ice and rock that "may [become] one of the brightest in history." The comet is now passing by Saturn, gaining speed and becoming brighter by the day...