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Alaska Volcano Stirs From 12-Year Slumber

Mount Spurr is showing some life these days, 12 years after the volcano last erupted. The Alaska Volcano Observatory this week raised its official level of concern to yellow, signifying an eruption is possible in the next few weeks.

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Chandra Sheds New Light On McNeil's Nebula

The X-ray/optical comparison of the region surrounding McNeil's Nebula shows that the position of a source detected by NASA's Chandra X-ray Observatory is coincident with that of a bright infrared and optical source at the apex of the nebula.

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Rock on Earth traced to crater on moon

Three times may be a charm in some realms, but it took four tremendous whacks to lift a certain rock off the moon and shoot it serendipitously to Earth, scientists reported Thursday.

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