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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.

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Inside star cities

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

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.

Martian stargazing

Dark, dusty skies.

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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 >>>

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 >>>

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.

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

Where did Earth's water come from?

Looking beyond asteroids to find the origins of water

'It's a haunting thing'

Space artists discuss the first black hole image.

Cosmic Clouds 3-D

Journey inside the birthplace of stars.

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Disappearing Moon

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

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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Astronomy Exclusive

NASA's Perseverance rover prepares for launch

Star Atlas

Inside star cities

The hunt for dangerous asteroids continues

"Mars Underground"

Martian stargazing