Tech

A view of the Advanced Composite Solar Sail System

NASA spacecraft captures 1st photo of its giant solar sail while tumbling in space

By Monisha Ravisetti published

NASA's testing a solar sail system in space, and the spacecraft that brought the tech there has snapped a photo.

Tech
A short clip of lots of blue lines jetting past you like wind.

'Unbreakable' quantum communication closer to reality thanks to new, exceptionally bright photons

By Peter Ray Allison published

Scientists build a new light source for quantum communications by combining existing technologies together to create a stronger and more robust quantum signal.

Tech
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Spaceflight

a white rocket lifts off at night above a plume of fire and smoke

SpaceX's historic private Polaris Dawn astronaut launch lights up predawn sky (photos)

By Brett Tingley published

SpaceX launched the history-making Polaris Dawn mission early this morning, and the nighttime launch made for some incredible imagery.

Private Spaceflight
Illustration of a Polaris Dawn crewmember conducting the first-ever private spacewalk.

SpaceX launching private Polaris Dawn astronaut mission Sept. 10: How to watch live online

By Samantha Mathewson last updated

SpaceX is targeting Sept. 10 for the launch of its Polaris Dawn mission, which will feature the first-ever private spacewalk. Here's how you can watch the historic action live.

Private Spaceflight
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Science & Astronomy

The moon phases of September 2024 listed with dates.

What is the moon phase today? Lunar phases 2024

By Tariq Malik last updated

Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2024.

Reference
A dazzling array of stars fills the black backdrop of space, so much so that there are more stars than black. They vary in size and depth, with shooting crosshair diffraction spikes visible on the larger stars.

The biggest galaxies live in our universe's supercluster 'cities'

By Monisha Ravisetti published

Machine learning algorithms analyzed millions of galaxies to reveal where the biggest ones are.

Galaxies
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Meet the team

Search For Life

a brownish planet orbiting close to a fiery star

Life on alien planets probably wouldn't experience day and night – here's how that may change evolution

By Maureen Cohen published

Organisms on Earth living deep underground or at the bottom of the sea may give us an idea what alien life without a circadian rhythm could be like.

Search for Life
Three giant satellite dishes point up at the night sky, smeared with endless starlight.

How AI is helping us search the universe for alien technosignatures

By Conor Feehly published

"It's now a part of mainstream astrophysics."

Search for Life
a flying saucer ringed by lights is barely visible through dense trees

Belief in alien visits to Earth is spiraling out of control – here's why that's so dangerous

By Tony Milligan published

Belief in alien visitors is no longer a quirk, but a widespread societal problem. This belief is slightly paradoxical as we have zero evidence that aliens even exist.

Search for Life
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Skywatching

A streak of light shoots in a tall arc from the horizon, rising in the sky, through dimly lit cloud cover.

Space pictures! See our space image of the day

By Space.com Staff last updated

Space.com's image of the day rounds up the most awe-inspiring space photos right here, with a new image everyday.

Astrophotography
the top edge of the moon darkened by a shadow

Partial lunar eclipse of the Harvest Moon: Everything you need to know

By Joe Rao published

The upcoming Full Harvest Moon on Sept. 17 will feature a partial lunar eclipse. Here's what to expect and how to see it.

Eclipses
graphic with night sky in large font and silhouettes of people below looking up at the night sky.

Night sky for tonight: Visible planets, stars and more in this evening's sky

By Jamie Carter last updated

Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.

Stargazing
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Entertainment

Two bearded cartoon aliens tower above a human woman and man in matching uniforms

'Star Trek: Lower Decks' Season 5 trailer launches the crew on one last wacky mission (video)

By Jeff Spry published

Paramount+ released the fifth and final season trailer for "Star Trek: Lower Decks."

Entertainment
Warhammer 40,000: Space Marine 2

Want to get into Warhammer 40K? Here's what you need to know before playing Space Marine 2

By Fran Ruiz published

Warhammer 40K: Space Marine 2 is out now. If you don't know anything about the universe or haven't played the original, we've got you covered.

Space Games & Toys
Still from the movie Transformers: Rise of the Beasts (2023). Here we see 5 Transformers standing together. From left to right, there is Optimus Prime (large blue and red robot that can turn into a truck), Optimus Primal (a robot gorilla with piercing green lights for eyes), and then the yellow Transformer Bumblebee. To the left there appear 2 other Transformers (a mechncialy bird in the sky and a blue blocky robot in the background.

Transformers movies in order: chronological & release order

By Fran Ruiz last updated

With Transformers One on the horizon, now is a prime time to put the existing Transformers movies in order, both chronological and by release date.

Space Movies & Shows
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References

Graphic illustration with 'space calendar' in large blue neon letters and 2023 below it in smaller white letters. Below the title are four neon images depicting a meteor or comet, a telescope, a rocket launch and an astronaut's helmet. There is a starry background to the entire image.

Space calendar 2024: Rocket launches, skywatching events, missions & more!

By Space.com last updated

Reference Keep up with all the rocket launches, astronomical events and mission milestones for 2024 with our space calendar.

Reference
Warhammer 40,000: Space Marine 2

Want to get into Warhammer 40K? Here's what you need to know before playing Space Marine 2

By Fran Ruiz published

Warhammer 40K: Space Marine 2 is out now. If you don't know anything about the universe or haven't played the original, we've got you covered.

Space Games & Toys
The moon phases of September 2024 listed with dates.

What is the moon phase today? Lunar phases 2024

By Tariq Malik last updated

Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2024.

Reference
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