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Solar eclipse shots

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Astro 101: Cosmic Rays

Subatomic particles with ridiculous amounts of energy

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Exocomet census

Studying the comet families orbiting Beta Pictoris

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Indonesian Islands Eclipse

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Fruitful flyby

NASA's Mars orbiters safely study comet flyby

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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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Solar eclipse shots

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PICTURE OF THE DAYsee all »

The sky around Polaris

This image shows our North Star, Polaris (Alpha Ursae Minoris) and the galactic cirrus that surrounds it. Look closely and you’ll also spot the ancient globular cluster NGC 188. (SBIG ML-8300 CCD camera, 135mm Canon lens at f/2.5, LRB image with exposures of 144, 180, and 120 minutes, respectively)
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