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BERLIN (AP) — A European probe has begun drilling into a comet to collect scientific data, but mission controllers said Friday that battery issues may make it impossible — at least for now — to access that information.

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BERLIN (AP) — Waking up after almost three years of hibernation, a comet-chasing spacecraft sent its first signal back to Earth on Monday, prompting cheers from scientists who hope to use it to land the first space lander onto a comet.