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Fruitful flyby

NASA's three Mars orbiters safely study Comet Siding Spring flyby

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Eclipse event

Witness a partial solar eclipse October 23!

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Indonesian Islands Eclipse

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Lunar development

Strong evidence that the Moon’s volcanic activity slowed gradually

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Extreme energy

A pulsar in M82 beams with the energy of about 10 million Suns

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Uwingu Mars

Name a crater ... make an impact!

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Active area

Rosetta captures a region of jet activity the neck of Comet 67P

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Astro 101: Cosmic Rays

Subatomic particles with ridiculous amounts of energy

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Super star

Swift mission observes mega flares from a mini star

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Fruitful flyby

NASA's three Mars orbiters safely study Comet Siding Spring flyby

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PICTURE OF THE DAYsee all »

Tibetan night

The center bugle of the Milky Way shines brightly above Zhaxizong, a Tibetan village in China. This site lies 13,615 feet (4,150 meters) above sea level at the foot of Mount Everest. (Canon EOS 6D DSLR, AF-S Nikkor 14-24mm f/2.8 G IF-ED lens set at 20mm and f/2.8, ISO 3200, 30-second exposure)
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