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The Cassini mission is over

After more than a decade circling Saturn, the Cassini spacecraft dissolved in the gas giant's atmosphere September 15. Read more >>>

Could we survive without our planet?

Leaving Earth means learning how to produce necessities like food, water, and oxygen. Read more >>>

Get the answers to your Laser SETI questions

Check out our guest blog by a SETI scientist, with the answers to your questions about the search for extraterrestrial life. Read more >>>

America's Darkest Sky Star Party: October 13-14, 2017

Join Astronomy magazine editors, authors, and well-known deep-sky observers Dave Eicher and Michael Bakich for a 2-day star party and seminar in Animas, New Mexico. Learn more >>>

Join our Costa Rica tour

Journey to the Central American paradise for the Southern Sky Party. Learn more >>>

Phantom planets

The ghost worlds that once haunted the halls of astronomical history. Read more >>>

The Real Reality Show

Join our editor-in-chief David Eicher on an expedition through the heart of science headlines. Read More >>>

Check out our long-form features!

When big news happens or a huge story needs to be told, it's time to dig deep. Read more >>>

Get ready for our first image of a black hole

The Event Horizon Telescope will peer into the space immediately surrounding our galaxy's supermassive black hole. Read more >>>

Learn to identify 36 constellations

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Features the most up-to-date images and 206 labels including 7 landing sites.

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3rd gravitational wave detection is about much more than black holes

Join our newest Norway Aurora Tour

See the sights and sounds of the Arctic Circle, and see one of the most spectacular light shows on Earth. Click here >>>

The Cassini mission is over

After more than a decade circling Saturn, the Cassini spacecraft dissolved in the gas giant's atmosphere September 15. Read more >>>

PICTURE OF THE DAYsee all »

Hedgerow prominence

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The Cassini mission is over

Could we survive without our planet?

Get the answers to your Laser SETI questions

America's Darkest Sky Star Party: October 13-14, 2017

Join our Costa Rica tour

Phantom planets

The Real Reality Show

Check out our long-form features!

Get ready for our first image of a black hole

Learn to identify 36 constellations

3rd gravitational wave detection is about much more than black holes

Join our newest Norway Aurora Tour

Get started in the hobby>>

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The Cassini mission is over

Could we survive without our planet?

Get the answers to your Laser SETI questions

America's Darkest Sky Star Party: October 13-14, 2017

The Real Reality Show

Check out our long-form features!

Get ready for our first image of a black hole

3rd gravitational wave detection is about much more than black holes

Join our newest Norway Aurora Tour

Get started in the hobby>>

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