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Impact jet

Astronomers have discovered for the first time a rear-end collision between two high-speed knots of ejected matter from a supermassive black hole

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Take the Universe with You!

Nasty behavior

Hubble observes a massive star with an odd nature

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Join Astronomy's Aurora Adventure

Experience a once-in-a-lifetime northern lights tour with Astronomy magazine and TravelQuest International

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Hubble at 25

How the space telescope changed the cosmos

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Spring rings

Saturn is at its 2015 peak, shining brilliantly all night

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Sign Up for Astronomy's five-part Observing Essentials email series!

Magnetar mystery

A neutron star is exhibiting some unusual X-ray behavior

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Uwingu Mars

Name a crater ... make an impact!

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Indonesian Islands Eclipse

Explore Bali and witness a total solar eclipse in March 2016 with Astronomy magazine and TravelQuest International

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Ends July 24, 2015

Heart of darkness

Astronomers discover new kind of "dark" globular star cluster

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Apollo exclusive

An in-depth interview, including video footage, with astronaut Jim Lovell on his experiences with Apollo 8 and Apollo 13

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Asteroid Day

The truth about the impact threat facing Earth

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Stellar beginnings

The first known example of a globular cluster about to be born

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Impact jet

Astronomers have discovered for the first time a rear-end collision between two high-speed knots of ejected matter from a supermassive black hole

Learn more »

PICTURE OF THE DAYsee all »

NGC 6992

NGC 6992 is the eastern part of the massive Veil Nebula complex in the constellation Cygnus the Swan. The supernova that formed the nebula exploded between 5,000 and 8,000 years ago. (16-inch RC Optical Systems Ritchey-Chrétien telescope at f/9, SBIG STL-6303E CCD camera, LRGB image with exposures of 117, 48, 72, and 140 minutes, respectively)
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