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Cosmos

Learn about our place in the universe.

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STARMUS VI: 50 years on Mars

In September 2021, Armenia will showcase the world’s great scientific minds and rock star talent in celebration of Mars exploration.  Learn more >>>
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Comet NEOWISE springs a naked-eye surprise

Comet C/2020 F3 (NEOWISE) has joined the party.  View our Comet NEOWISE photo gallery >>>

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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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 >>>

"Mars Underground"

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

Read more >>>

Martian stargazing

Dark, dusty skies.

Watch 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 >>>
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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.

Read more >>>

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?
Read more >>>
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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 >>

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 >>>

Astronomy Exclusive

Learn about 36 astronauts who have had a large impact on our history.

Disappearing Moon

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

Read More >>>

BlackHoleArtists

'It's a haunting thing'

Space artists discuss the first black hole image.

Read more >>

STARMUS VI: 50 years on Mars

In September 2021, Armenia will showcase the world’s great scientific minds and rock star talent in celebration of Mars exploration.  Learn more >>>

PICTURE OF THE DAYsee all »

Part of the group

Irregular dwarf galaxy IC 1613 lies in the constellation Cetus the Whale. It’s part of the Local Group, a collection of galaxies that includes the Milky Way and the Andromeda Galaxy. IC 1613 lies 2.38 million light-years away.
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