Skywatching

A green comet can be seen glowing to the right of a deep-space image, with a faint tail extending to the lower left. A swirling red nebula can be seen dominating the background to the left of the screen, with a number of particularly bright stars clustered below a dense horizontal filament of cosmic dust.

Comet SWAN shines with the Pillars of Creation in breathtaking deep space photo

By Anthony Wood published

Comet C/2025 R2 (SWAN) was imaged in October as it crossed the galactic plane of the Milky Way.

Astrophotography
new moon illustration shows a very dimly lit moon against a black background.

New moon calendar 2025: When is the next new moon?

By Daisy Dobrijevic last updated

Reference Discover what a new moon is and when the next new moon will occur with our new moon 2025 guide.

Reference
Expert holds one of the best binoculars while observing

The best binoculars available this holiday season— best overall models for stargazing, wildlife and general use

By Jase Parnell-Brookes last updated

Buying Guide We have fully tested and ranked the best binoculars for stargazing and spotting galaxies. Get ready for the holiday season!

Buying Guide
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Spaceflight

a white and black rocket lifts into the predawn sky, lighting its launch pad and ground below

SpaceX launches Starlink satellites from California on 160th Falcon 9 flight of the year (video)

By Robert Z. Pearlman published

A SpaceX Falcon 9 rocket carrying 27 Starlink satellites launched from Vandenberg Space Force Station in California on Dec. 10, 2025. It was the 160th Falcon 9 flight of the year.

Launches & Spacecraft
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
a cylindrical space station with two solar panels extending from it at perpendicular angles

On this day in space! Dec. 10, 1977: 1st long-duration crewed mission launches to Salyut 6 Space Station

By Hanneke Weitering, Elizabeth Howell last updated

On Dec. 10, 1977, the Soviet union launched the first crew to complete a long-duration mission to the Salyut 6 space station.

Human Spaceflight
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 Chinese Long March 4B rocket launches the Yaogan 47 satellite to space from Jiuquan Satellite Launch Center on Dec. 9, 2025.

China breaks record with 3 Long March rocket launches in 19-hour stretch (video)

By Mike Wall published

China just launched three Long March rockets in less than 19 hours, setting a new national mark for liftoff cadence.

Launches & Spacecraft
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Science & Astronomy

Two side by side illustrations showing Uranus's spin and magnetic field with the Voyager 2 spacecraft flying nearby

Uranus may have more in common with Earth than we thought, 40-year-old Voyager 2 probe data shows

By Keith Cooper published

The findings provide an answer to a planetary mystery that has bewildered scientists for nearly four decades.

Uranus

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
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Space Photo of the Day

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Entertainment

a woman on the bridge of a sci-fi starship

'Star Trek: Starfleet Academy' clip shows off hammy acting and teen drama, putting fans on yellow alert (video)

By Jeff Spry published

Programmable matter mines swarm the U.S.S. Athena in this action-packed 4-minute preview

Space Movies & Shows

5 Terminator games that are actually good

By Fran Ruiz published

Ahead of Terminator 2D: NO FATE, we're going back in time to find some Terminator games that don't suck. Don't worry, we'll be back!

Space Games
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What's Up In Space Today

Search For Life

A silhouette of a planet is in front of a giant sun with a small planet to the right of the image

Which exoplanet in the TRAPPIST-1 system could be habitable? Scientists are modeling the star to find out

By Samantha Mathewson published

Frequent flares from the nearby star TRAPPIST-1 could offer new clues in the search for habitable planets beyond Earth.

Search for Life
A reddish dusty surface is seen with an orange sun in the background

Beyond the habitable zone: Exoplanet atmospheres are the next clue to finding life on planets orbiting distant stars

By Morgan Underwood published

But being in this sweet spot doesn't automatically mean a planet is hospitable to life.

Search for Life
"Wow!" signal printout. The comment on the side inspired the event's name.

SETI's 'Noah’s Ark' – a space historian explores how the advent of radio astronomy led to the USSR’s search for extraterrestrial life

By Gabriela Radulescu published

An expert dives into the history of radio astronomy and the search for life beyond our Earth.

Search for Life
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Technology

California-based company Aetherflux wants to make space-based solar power a reality.

Startup announces 'Galactic Brain' project to put AI data centers in orbit

By Josh Dinner published

Aetherflux has focused its efforts on space-based solar power, with the goal of "building an American power grid in space."

Technology
A large white antenna dish points to the left of the screen with the sun in the blue sky behind it

NASA spacecraft were vulnerable to hacking for 3 years and nobody knew. AI found and fixed the flaw in 4 days

By Tereza Pultarova published

An AI start-up has found a vulnerability in security software protecting NASA's ground control communications with satellites in space.

Technology
A white space shuttle launches off a pad with large clouds of smoke underneath it

AI is making spacecraft propulsion more efficient – and could even lead to nuclear-powered rockets

By Sai Susmitha Guddanti, Preeti Nair, Marcos Fernandez Tous, Sreejith Vidhyadharan Nair published

From bicycles to rockets, learning through experience – whether human or machine – is shaping the future of space exploration.

Technology
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