Birthplace of Rosetta Probe's Comet Pinned Down

The comet that Europe's Rosetta spacecraft orbited for more than two years was probably born in the realm of icy bodies beyond Neptune, a new study suggests. New analyses of the orbit of Comet 67P/Churyumov-Gerasimenko — on which Rosetta intentionally crash-landed on Sept. 30, ending the probe's historic mission — trace the object's origins back to the Kuiper Belt, whose most famous denizen is Pluto. "These results come from computations of the comet's orbit from the present to