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Privately-developed rocket aces abort test

Blue Origin, the space company founded by Amazon.com’s Jeff Bezos, launched a dramatic flight test over West Texas on Wednesday to verify the performance of an escape system on its reusable suborbital launcher designed to loft space tourists, researchers and commercial astronauts on short rides to the edge of space.

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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).