I can calculate the motions of the heavenly bodies, but not the madness of people

— Sir Isaac Newton

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Astronomy Picture of the Day
Updated: 9 hours 34 min ago

Hubble's Andromeda Galaxy Mosaic

Sat, 02/22/2025 - 4:00pm

The largest photomosaic


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Messier 87

Sat, 02/22/2025 - 4:00pm

Enormous elliptical galaxy


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Sat, 02/22/2025 - 4:00pm

How do stars and planets form?


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Sat, 02/22/2025 - 4:00pm

Seen as a seagull and a duck,


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Sat, 02/22/2025 - 4:00pm

What's happened to the sky?


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Sat, 02/22/2025 - 4:00pm

Here comes Jupiter.


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Rima Hyginus

Sat, 02/22/2025 - 4:00pm

Rima Hyginus is a


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Parhelia at Abisko

Fri, 02/21/2025 - 12:00pm

Three suns seem to hug the horizon in this otherworldly winterscape.


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A Cosmic Rose: NGC 2237 in Monoceros

Thu, 02/20/2025 - 8:00am

The Rosette Nebula, NGC 2237,


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Reflections on VdB 31

Wed, 02/19/2025 - 4:00am

Riding high in the constellation of Auriga,


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Tue, 02/18/2025 - 12:00am

What can a space rock tell us about life on Earth?


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Tue, 02/18/2025 - 12:00am

Will the spider ever catch the fly?


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Sun, 02/16/2025 - 8:00pm

Is this the largest hummingbird ever?


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Sat, 02/15/2025 - 4:00pm

What strange world is this?


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A Conjunction of Crescents

Fri, 02/14/2025 - 12:00pm

A waxing crescent Moon and a waning crescent Venus are found at


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LEDA 1313424: The Bullseye Galaxy

Thu, 02/13/2025 - 8:00am

LEDA 1313424: The Bullseye Galaxy


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IC 2574: Coddington's Nebula

Wed, 02/12/2025 - 4:00am

IC 2574: Coddington's Nebula


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Tue, 02/11/2025 - 12:00am

Where is Comet ATLAS going?


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Tue, 02/11/2025 - 12:00am

Yes, but can your rainbow do this?


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Sun, 02/09/2025 - 8:00pm

Some stars explode in slow motion.


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