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Phase two

The Kepler spacecraft has found its first exoplanet as part of its new K2 mission

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Take the universe with you!

Mission complete

Venus Express has ended its eight-year mission

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Asteroid Day

June 30, 2015: A day to learn about asteroids and what we can do to protect our planet, ourselves, and future generations

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Martian methane

Curiosity has found active and ancient organic chemistry on Mars

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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 with Astronomy magazine and TravelQuest International

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Get started in the hobby!

Find your way around the night sky with our app!

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Water report

What kind of water vapor has Rosetta found on Comet 67P?

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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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Get an Instant Gift!

Sign up for bonus web features and get a free gift!

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Wet Red Planet

Curiosity rover finds clues to how water helped shape martian landscape

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Get Started Tonight!

Sign up for Astronomy's five-part email series, Observing Essentials, and start making the most of every minute under the stars!

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Sky Guide 2015

Monthly observing guide to the planets, meteor showers, and more

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Hello New Horizons

The spacecraft has come out of hibernation for its 2015 Pluto flyby

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Phase two

The Kepler spacecraft has found its first exoplanet as part of its new K2 mission

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PICTURE OF THE DAYsee all »

A different kind of Horsehead

This narrowband image shows the Horsehead Nebula (Barnard 33) surrounded by colorful gas clouds — only the colors are not ones we’re used to. The photographer used the Hubble palette to bring out different details in the region than shown in most RGB images. (4-inch Takahashi FSQ-106 refractor, SBIG STL-11000 CCD camera, Hydrogen-alpha/Oxygen-III/Sulfur-II image with 12 hours of exposures)
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