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Astronomy Exclusive

Order the first of its kind Callisto Globe.

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NASA's Perseverance rover prepares for launch

Equipped with a rock-blasting laser, two microphones, 23 cameras, and even a helicopter, the rover is set to head to the Red Planet.  Read more >>>

Star Atlas

87,000 stars, 1,200 deep-sky objects and 24 high-quality star maps.

Inside star cities

Watch editor David J. Eicher introduce his latest book on galaxies, or order now!

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The hunt for dangerous asteroids continues

More than 100 of Earth's best telescopes have closed due to COVID-19. But key asteroid detection efforts remain online. Read more >>>

"Mars Underground"

How a group of students sparked a return to the Red Planet. 

Read more >>>

Martian stargazing

Dark, dusty skies.

Watch now >>>

Sunfilaments

Zooming in on the Sun

New ultra-high-resolution images reveal previously invisible filaments of million-degree plasma threaded through the Sun's atmosphere.  Read more >>>

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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 >>>
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The Degenerate Era

When the last stars die, the cosmos will turn into a drab place, with smoldering stellar remnants fading from sight like cooling embers.

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SpaceX loses first Starship prototype

The company will move forward with other prototypes.  Read more >>>

Moon Village:

Humanity's first step toward a lunar colony?
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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 >>

EarlyEarth

Where did Earth's water come from?

Looking beyond asteroids to find the origins of water

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'It's a haunting thing'

Space artists discuss the first black hole image.

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Cosmic Clouds 3-D

Journey inside the birthplace of stars.

Disappearing Moon

Without our satellite, the planet would wobble, dramatically affecting seasons and climate.

Read More >>>

NASA's Perseverance rover prepares for launch

Equipped with a rock-blasting laser, two microphones, 23 cameras, and even a helicopter, the rover is set to head to the Red Planet.  Read more >>>

PICTURE OF THE DAYsee all »

Have a little heart

The Heart Nebula (IC 1805) is a large emission nebula in the constellation Cassiopeia the Queen. It lies some 7,500 light-years away.
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