Tonight's Sky
Sun
Sun
Moon
Moon
Mercury
Mercury
Venus
Venus
Mars
Mars
Jupiter
Jupiter
Saturn
Saturn

Tonight's Sky — Change location

OR

Searching...

Tonight's Sky — Select location

Tonight's Sky — Enter coordinates

° '
° '
ApolloASYslider_568x450

Celebrating 50 years of Apollo

Join us as we look back at what made the Apollo program a defining moment of our history, and why it still resonates today. Explore now >>>

Heavy metal solar system

Merging neutron stars supplied much of the material that built our home. Read more >>>

Astronauts capture Apollo

Check out razor-sharp views of Earth and the cosmos.
Read more >>>

Cosmic conundrum

How fast is the universe expanding?

Read more >>>

Astronomy Exclusive!

Learn to identify 31 of the naturally occurring elements.

Order Now »

Venus1

Venus reimagined

A new analysis shows many of Venus' roughly 1,600 volcanoes are still active. Read more >>>

Twinsstandoff

NASA's Twins Study: New results

Spaceflight changes the human body, but only temporarily. Read more >>>

Win 6 exclusive flashcard sets!

Planetary tours

Your guide to the solar system.

Plan your hike >>>

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 >>>
TitanIR

Titan's 4,000 mile band of ice

A surprise feature extends almost halfway around the moon.

Read more >>>

50 years later: Apollo 8

Jim Lovell relives the first Moon trip.

Read more >>>

Martian stargazing

Dark, dusty skies.

Watch now >>>

BlackHoleArtists

'It's a haunting thing'

Space artists discuss the first black hole image.

Read more >>
PrimeTimeforJupiter

Peak viewing time for Jupiter is coming

Get all the info in this free guide from Astronomy and Celestron.

Get it here >>>

2012GAU_Banner_Slider_ASY

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 »

Blue Moon lander

Jeff Bezos' Moon shot

Read More >>>

EarlyEarth

Where did Earth's water come from?

Looking beyond asteroids to find the origins of water

Read more >>>

Celebrating 50 years of Apollo

Join us as we look back at what made the Apollo program a defining moment of our history, and why it still resonates today. Explore now >>>

PICTURE OF THE DAYsee all »

The Flying Bat and Squid

This scene combines the red emission nebula Sharpless 2–129, also known as the Flying Bat Nebula, with the bluish reflection nebula Ou4, also known as the Giant Squid Nebula. These objects lie in the constellation Cepheus the King some 2,300 light-years away.
ADVERTISEMENT

FREE EMAIL NEWSLETTER

Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.

ADVERTISEMENT
ADVERTISEMENT