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Water work

Much of our solar system’s water likely originated as ices that formed in interstellar space

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Orbiter arrival

MAVEN has entered orbit around the Red Planet

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Experience a once-in-a-lifetime northern lights tour along the Norwegian coast and interior with Astronomy magazine and TravelQuest International.

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Small but supermassive?

Smallest known galaxy with a supermassive black hole found

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Uwingu Mars

Name a crater ... make an impact!

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A Space Experience

Win a trip for four to the Kennedy Space Center Visitor Complex

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Solar safety

How to Safely Observe the Sun

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Back to space

NASA chooses Boeing and SpaceX to transport astronauts to the ISS

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Astronomy on DVD

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Location locked

Rosetta scientists pick location for comet lander

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Rover arrival

Curiosity has arrived at Mars' Mount Sharp, the rover's primary destination

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Water work

Much of our solar system’s water likely originated as ices that formed in interstellar space

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PICTURE OF THE DAYsee all »

The Pacman Nebula

The Pacman Nebula (NGC 281) is an emission nebula in the constellation Cassiopeia the Queen. Near its center, the recently formed star cluster IC 1590 shines. It lies about 9,500 light-years away and has a diameter of some 100 lgiht-years. (5.2-inch Takahashi TOA-130F refractor at f/7.7, Quantum Scientific Instruments QSI 540wsg CCD camera, Hydrogen-alpha/RGB image with exposures of 120, 10, 10, and 10 minutes, respectively)
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