Skywatching

Two meteors are pictured streaking Earthward through a black sky peppered with white stars.

When is a 'double fireball' not a 'double fireball'? Wild meteor videos explained by a trick of the light

By Anthony Wood published

Footage appearing to show a number of "double fireball" events may have been caused by a simple quirk of equipment.

Meteors & Meteor Showers
A thin crescent moon is pictured against a darkening blue sky at sunset with a sliver of its right side lit by direct sunlight. Wispy clouds are visible in the foreground.

See a razor-thin crescent moon line up with Mars and Mercury at sunset on Oct. 23

By Anthony Wood published

The waxing moon will appear alongside Mars and Mercury as the sun sets on Oct. 23

Stargazing
Two children in bed placing their finger on a star projector

Best star projectors for kids: Night-lights and ambient toys to soothe young space fans

By Tantse Walter last updated

Buying Guide Here are the best star projectors to enjoy a night-sky experience from the comfort of your couch. The prices are often reduced on special occasions, such as Amazon Prime Day, so keep your eyes open.

Buying Guide
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Spaceflight

a triple-core rocket blasts off under a sunny, partly cloudy blue sky. smoke expands below next to an obscured launch tower, near a long white hanger with SPACEX written on the side. To the left, a bird flies away.

Rocket launch today: Is there a rocket launch and what time?

By Josh Dinner, Tariq Malik last updated

Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.

Launches & Spacecraft
The U.S. Harmony node flew to space aboard space shuttle Discovery during mission STS-120, in October 2007. NASA describes Harmony as a utility hub, as it circulates air, water, electrical power and similar systems to other space station modules. It supports the U.S. Destiny laboratory, the European Space Agency Columbus Laboratory and the Japanese Kibo laboratory.

On this day in space! Oct. 23, 2007: Space Station's Harmony module launches on STS-120

By Hanneke Weitering last updated

On October 23, 2007, the space shuttle Discovery launched the Harmony module to the International Space Station.

Launches & Spacecraft
Graphic illustration with 'space calendar' in large blue neon letters and 2025 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 2025: 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 2025 with our space calendar.

Reference
A SpaceX Falcon 9 rocket launches from California’s Vandenberg Space Force Base on Oct. 22, 2025.

SpaceX launches record-breaking 133rd Falcon 9 mission of the year (video)

By Mike Wall last updated

SpaceX launched its record-breaking 133rd Falcon 9 mission of 2025 today (Oct. 22), topping last year's tally with no signs of slowing down before the year ends.

Launches & Spacecraft
The Chinese company Landspace conducts a static fire test with its reusable Zhuque-3 rocket on Oct. 20, 2025.

China's 1st reusable rocket test fires engines ahead of debut flight (video)

By Mike Wall published

LandSpace conducted a static-fire test with its Zhuque-3 rocket recently, an important step in the prep work ahead of the partially reusable rocket's debut launch.

Launches & Spacecraft
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Science & Astronomy

What is the moon phase today? Lunar phases 2025

By Tariq Malik, Daisy Dobrijevic last updated

Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

Reference
A panorama shows glowing reddish gas mixed with stars in deep space

A faint glow in the Milky Way could be a dark matter footprint

By Sharmila Kuthunur published

The century-old mystery of dark matter — the invisible glue thought to hold galaxies together — just got a modern clue.

Dark Universe
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Space Photo of the Day

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Entertainment

Fallout games in order: Chronological and release date

By Fran Ruiz published

No one wants to set the world on fire, but Fallout’s post-apocalyptic world is a fun one to explore. Here’s how to get through the entire series in order.

Space Games
a black book on a starry background

Neil deGrasse Tyson on his new book and the hidden dangers of defunding science: 'That will ultimately bite you in the ass' (exclusive)

By Jeff Spry published

We spoke with Neil deGrasse Tyson about his new Q&A book "Just Visiting This Planet: Further Scientific Adventures of Merlin From Omniscia" arriving on Oct. 21, 2025.

Space Books
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What's Up In Space Today

Search For Life

Perseverance in action

How excited should we be about the latest Mars potential biosignature discovery? 'It's arguably the best evidence we have so far'

By Keith Cooper published

What about those previously studied plumes of methane and meteorites potentially stuffed with the fossils of Martian microbes?

Search for Life
An illustration of exoplanet Kepler 16b, where its brown rocky surface can be seen in the darkness of space with its bright home star far in the distance.

No near neighbors: Closest technologically advanced aliens may be 33,000 light-years from Earth

By Stefanie Waldek published

A new study suggests that, without plate tectonics and the right balance of carbon dioxide and oxygen, advanced alien civilizations may be exceedingly rare.

Search for Life
A closeup of "leopard spots" on Mars seen by the Perseverance rover.

Could a Mars crater have once hosted life? NASA's Perseverance rover finds more evidence it's possible

By Sharmila Kuthunur published

Fresh analysis of Perseverance rover data reveals Jezero Crater experienced repeated episodes of water activity, strengthening the case for habitability and raising the stakes for Mars Sample Return.

Search for Life
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Technology

An illustration showing a data center in space with various white modules of servers

Powerful NVIDIA chip launching to orbit next month to pave way for space-based data centers

By Tereza Pultarova published

An NVIDIA GPU is heading toward its record-setting orbital debut, a trip that will test how data centers could work in the final frontier.

Technology
A metal radio dish points at the top right corner of the image

The UK military says Russia targets its satellites on a weekly basis. What can be done about it?

By Jessie Hamill-Stewart published

Russia is targeting UK space infrastructure, and in particular military satellites, on a weekly basis, according to the head of UK Space Command.

Aerospace
Potensic Atom 2 drone in flight against a blue sky

Potensic Atom 2 drone review

By James Abbott published

Review The Potensic Atom 2 is an affordable sub-250 g drone with performance, features and functionality seen with mid-range drone models within this competitive category.

Review
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