For Space Mess, Scientists Seek Celestial Broom

The most obvious sign that there is a lot of junk in space is how much of it has been falling out of the sky lately: a defunct NASA satellite last year, a failed Russian space probe this year. While the odds are tiny that anyone on Earth will be hit, the chances that all this orbiting litter will interfere with working satellites or the International Space Station are getting higher, according to a recent report by the National Research Council. More

(Source: New York Times - Feb 20)