Of all the cataclysmic threats facing humanity, the one that could really wipe us off the map -- a hit by a truly massive asteroid -- gets relatively little in terms of resources.
The B612 Foundation aims to change that with the launch of a space telescope that would try to track half a million asteroids in the inner solar system believed to be larger than the one that hit Russia's Tunguska in 1908, causing enormous damage.
The Tunguska object's size and nature remains a matter of debate. But only 1 percent of larger asteroids have been mapped so far, according to B612, which was named after the fictional asteroid home of the Little Prince. … Read more