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Radio phoenix

Astronomers have found evidence for a faded electron cloud “coming back to life” after two galaxy clusters collided

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Year of Pluto

Revelations of a distant world

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Two is better than one

The remarkable complexity of the bipolar Twin Jet Nebula

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Icy exploration

NASA’s next big spacecraft mission could visit an ice giant

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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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Sharper scenes

Dawn reveals exciting new views from Ceres

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Uwingu Mars

Name a crater ... make an impact!

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New episode every other week!

Turn on your mind to what's really going on in the universe

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Take the Universe With You!

New episode!

Seth Shostak: Life in the universe

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Exclusive podcast series

Editor David J. Eicher conducts extensive interviews with the world's top astrophysicists, planetary scientists, and cosmologists

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Hubble at 25

How the space telescope changed the cosmos

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Planetary pebbles

Unraveling the mystery of how Jupiter and Saturn likely formed

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Radio phoenix

Astronomers have found evidence for a faded electron cloud “coming back to life” after two galaxy clusters collided

Learn more »

PICTURE OF THE DAYsee all »

The Jellyfish Nebula

The Jellyfish Nebula (IC 443) is a supernova remnant in the constellation Gemini the Twins. What we now see is material ejected by the star when it exploded. IC 443 lies some 5,000 light-years from Earth. (3.2-inch Orion EON refractor, Quantum Scientific Instruments QSI 683ws CCD camera, Hydrogen-alpha/RGB image with exposures of 4, 1, 1, and 1 hour, respectively)
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