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Orbiter arrival

MAVEN, NASA’s newest Mars mission spacecraft, has entered orbit around the Red Planet

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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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Join Astronomy's Aurora Adventure

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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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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GET IT NOW!

Astronomy is available in the app store!

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Astronomy on DVD

Explore Astronomy magazine on DVD!

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Location locked

Rosetta scientists pick location for comet lander

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Get started in the hobby!

Find your way around the night sky with our new app!

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A must-have app!

Put the universe at your fingertips

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Rover arrival

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

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Starmus 2014 Rocks Astronomy!

Join astronomy’s greatest minds in the Canary Islands, September 22–27, 2014. New speakers continue to be announced!

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Surface-shifting activity

Scientists have found evidence of plate tectonics on Europa

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Orbiter arrival

MAVEN, NASA’s newest Mars mission spacecraft, has entered orbit around the Red Planet

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PICTURE OF THE DAYsee all »

The deep sky in Monoceros

This image shows an extremely rich and colorful area in the constellation Monoceros the Unicorn. It contains many minute details in emission, reflection, and dark nebulosity. Noteworthy deep-sky treats include the Cone Nebula, the Foxfur Nebula, and the Christmas Tree Cluster. (8-inch Officina Stellare Veloce RH 200AT Riccardi-Honders astrograph, SBIG ST-8300M CCD camera, 5 hours and 40 minutes total exposures)
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