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Live coverage: Rosetta’s final hours

Europe’s Rosetta spacecraft closed out a historic 4.9-billion-mile journey Friday with a slow-speed crash into the nucleus of comet 67P/Churyumov-Gerasimenko, the tiny world it has studied for the last two years, capturing some of the mission’s best science data to help unravel the inner workings of the comet. Confirmation of the crash landing arrived on Earth at 1119 GMT (7:19 a.m. EDT).

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Possible water plumes spotted above Europa

The Hubble Space Telescope has again spotted what appear to be towering plumes of water vapor erupting from Jupiter’s moon Europa, hinting that future spacecraft may be able to sample the hidden sea, a possible abode of life, without having to drill through miles of rock-hard ice, researchers said Monday.