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175045

A cosmic particle spewed from a distant galaxy strikes Earth

The rare detection of a high-energy neutrino hints at how these strange particles are created. Read more >>>
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Mars opposition is coming!

Find out how to get the best views of the Red Planet in this free guide from Astronomy and Celestron. Get it here >>>

The Seven Best Travel Spots In Our Solar System

And how to die there.
Read more >>>

Backstage Pass: Chicago

Your personal DVD tour of Chicagoland's best science institutions is waiting! 


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Astronomers discover the first interstellar immigrant

Nestled in Jupiter’s orbit, this backward-orbiting asteroid initially came from another star system. Read more >>>
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Join us!

Beneath Arizona's vast, clear skies you find some of most exciting astronomical destinations in the world. Learn more >>

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Our Milky Way

Astronomy magazine and artist Jon Lomberg highlight our home galaxy: the Milky Way. Learn more >>
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An organically grown planet definition

In an Astronomy magazine exclusive, planetary scientists Kirby Runyon and Alan Stern ask an important question: Should we really define a word by voting? Read more >>>
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A long search for long wavelengths

NANOGrav looks for a wider spectrum of gravitational waves than the LIGO and Virgo detectors. Read more >>>

Can we live on Mars?

Everything you need to know about settling the Red Planet. Download now for free!

Table for one?

The Fermi Paradox attempts to settle the issue of our apparent aloneness in the universe. Read more >>>
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Join us in Costa Rica!

Join us as we carry on a great tradition: our 16th annual Costa Rica Southern Sky Party, February 27 – March 6, 2019.  Learn more >>>
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Escape from a super-Earth

Achieving spaceflight from exoplanets is more difficult than you might think. Read more >>>
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Remembering Stephen Hawking

Astronomy editor David Eicher remembers the great physicist in words, and the Starmus Advisory Board shares a short video tribute.
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Join us!

Explore some of Iceland’s most outstanding, seldom-visited areas of natural beauty. Learn more >>

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How does space change the human body?

NASA’s Twins Study sent one identical twin to space for a year, while the other stayed on Earth. Ten separate research projects then tracked how their bodies changed. Read More >>>
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Astronomers catch a black hole devouring a star

Researchers-turned-forensic scientists snapped photographic evidence of a black hole ripping apart a star that got too close. Read more >>>

June 30-July 10, 2019

Enjoy spectacular eclipse viewing, Machu Picchu, and much more on this 11-day journey.
Learn more >>

Losing the Nobel Prize

Author Brian Keating discusses his book and its themes with Astronomy. Read more >>>
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What is dead may never die

Astronomers discovered a bizarre "zombie" star that went supernova not just once, but twice. Check out our coverage of the story, or read through The Kavli Foundation's recent roundtable with three stellar experts.
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Read our blog

Astronomy magazine editors share their unique insight from behind the scenes of the science, hobby, and magazine. Read more >>>
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Looking for a telescope?

Let Celestron and Astronomy help you find your ideal first or next telescope in this free digital supplement. Get it here >>>

See the comet's shape and surface features.


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What do belts around Proxima Centauri mean for exoplanet research?

Astronomy has a Q&A with Guillem Anglada-Escude, one of the discoverers of the nearest exoplanet to us. Read more >>>
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LIGO detects a neutron star merger

Astronomers have just caught gravitational waves - and more - from a pair of merging neutron stars. Read more >>>
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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 >>>
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The Real Reality Show

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

Mercury Globe

Exclusively from Astronomy magazine.

Shop Now »

The Milky Way

Inside and Out

Order Now »

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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 >>>

A cosmic particle spewed from a distant galaxy strikes Earth

The rare detection of a high-energy neutrino hints at how these strange particles are created. Read more >>>
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