Space crap to hit Earth: failed Russian Mars probe expected to crash-land this weekend

The Phobos-Grunt spacecraft may impact Earth in North America, South America, Europe, Asia or even Australia. "It's not possible to say where the thing is going to fall down," Heiner Klinkrad, head of the orbital debris office at the European Space Agency in Darmstadt, Germany, told The Washington Post in an interview today. (Via @dallasmars)