Rosetta spacecraft headed for comet suicide crash

Europe's pioneering spacecraft Rosetta headed for a suicide crash Friday with the comet it has stalked for two years, nearing the end of an audacious quest to unravel the Solar System's mysteries. Sent by ground controllers on a leisurely, 14-hour freefall, Rosetta launched into a last-gasp spurt of science-gathering on the 19-kilometre (12-mile) journey to its icy comet tomb. "Next stop #67P!" the European Space Agency (ESA) tweeted, using a shortened version of Comet 67P/Churyumov-Gerasimenko'