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ehtblackhole

The first-ever image of a black hole

Astronomers spent the past two years imaging the seething chaos outside a supermassive black hole. Now, the results are in. Read more >>>

Weird Object: M87

This massive galaxy harbors a huge black hole.

Learn more >>>

New Globe!

18 identified and labeled features from the Cassini mission in 2000, and the Juno space probe in 2016.

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What does it look like near a supermassive black hole?

Today’s best models and instruments are helping astronomers zoom in on the comparatively tiny regions around supermassive black holes.  Read more >>>
BH1

Shining light on black holes

It took 200 years to find the first black hole. Now we know they’re everywhere. Read more >>>

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Astronomy for kids

Find out what it's like on other planets, learn how far away the stars are, or try a fun, space-themed project from our Astronomy for Kids page!
Go now >>>

Globe Giveaway

Win an exclusive globe from Astronomy and My Science Shop — a $99.95 value!

Enter Now >>

Phaethon

New look at a weird, blue rock.

Read more >>>

tripsslider

Take a trip you'll never forget!

With a range of exciting adventures to choose from, you're sure to find a trip that's perfect for you.  Explore trips now >>>
CannonballPulsarcopy

Caught: Cannonball pulsar escaping the Milky Way

It could travel from the Earth to the Moon in six minutes flat.

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50 years later: Apollo 8

Jim Lovell relives the first Moon trip.

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Martian stargazing

Dark, dusty skies.

Watch now >>>

ASYDM1018_01copy

Discovering the dimmest galaxies

Astronomers see beyond the Milky Way’s glare into a hidden realm. Read more >>
AstroInsightscometscopy

Sift through the debris of our solar system's formation

Explore our solar system's building blocks and find out everything you need to know about comets and asteroids in this free guide from Astronomy and Celestron. Get it here >>>
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Join us!

On December 5, 2020, join us as we set sail for 15 days aboard our privately chartered cruise ship. Learn more >>

Perfect for Kids

Get 200+ astronomy facts, activities, & fun for kids!

Order Now »

The Sky This Week

What's up in the night sky?

Read More >>>

maxgrav

Could humans live on a super-Earth?

What's the max gravity our bodies can survive?

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 >>

The first-ever image of a black hole

Astronomers spent the past two years imaging the seething chaos outside a supermassive black hole. Now, the results are in. Read more >>>

PICTURE OF THE DAYsee all »

The big E

Barnard’s E is a combination of two dark nebulae (Barnard 142 and B143), both cataloged by American astronomer Edward Emerson Barnard. Together they form the first letter of the great scientist’s name.
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