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Latest News

a white rocket lifts off from a desert launch site into the dawn sky

Blue Origin targeting Dec. 18 for historic 1st spaceflight of wheelchair user

Mike Wall published 11 December 25

Blue Origin is targeting Dec. 18 for its NS-37 suborbital launch, which will fly a wheelchair user to space for the first time ever.

a white and black rocket lifts off into the dusk sky adding the warm glow surrounding it ocean-side launch pad

SpaceX launches Starlink satellites from Florida on worldwide 300th orbital flight of 2025 (video)

Robert Z. Pearlman published 11 December 25

A SpaceX Falcon 9 rocket carrying 29 Starlink satellites launched from Cape Canaveral Space Force Station in Florida on Dec. 11, 2025. It was the 300th worldwide orbital launch attempt of 2025.

Swirls of blue, yellow and purple lights show the shape of a galaxy cluster in space

NASA's Chandra telescope uses 'X-arithmetic' to reveal how black holes shape galaxy clusters (images)

Samantha Mathewson published 11 December 25

A novel "X-arithmetic" technique reveals how black holes shape the universe's largest structures.

A pixelated image showing a white dot surrounding by orange and red light against a black background

Astronomers capture close-up images of nova explosions on 2 dead stars in unprecedented detail

Keith Cooper published 11 December 25

The nova eruptions come about when a white dwarf steals too much matter from a close red giant companion.

SpaceX's Starship launches on its 11th test flight from Starbase, Texas on Oct. 13, 2025.

SpaceX plans to go public in 2026, seeks $1.5 trillion valuation: reports

Mike Wall published 11 December 25

SpaceX plans to go public in 2026 and will seek a valuation of $1.5 trillion, according to media reports.

Different faces of the dying star W Hydrae seen in different molecular lines with ALMA. Shown here are 30 faces out of 57 images in total.

57 ways to capture a dying star: Astronomers get a glimpse of what will happen when our sun dies

Robert Lea published 11 December 25

"With ALMA, we can now see the atmosphere of a dying star with a level of clarity in a similar way to what we do for the sun."

A small brown exoplanet is seen in space to the right of a sun-like star — James Webb Space Telescope finds strongest evidence yet for atmosphere around rocky exoplanet: 'It's really like a wet lava ball' Astronomers have found the strongest evidence yet of an atmosphere around a rocky exoplanet.

An illustration of the Tatooine-like planet HD 143811 AB b as it orbits its twin parent stars — Astronomers discover images of rare Tatooine-like exoplanet with a strange 300-year orbit: 'Exactly how it works is still uncertain' The planet formed 50 million years after the dinosaurs died, making it incredibly young in cosmic terms.

A pixelated image showing a white dot surrounding by orange and red light against a black background — Astronomers capture close-up images of nova explosions on 2 dead stars in unprecedented detail The nova eruptions come about when a white dwarf steals too much matter from a close red giant companion.

SpaceX's Starship launches on its 11th test flight from Starbase, Texas on Oct. 13, 2025. — SpaceX plans to go public in 2026, seeks $1.5 trillion valuation: reports SpaceX plans to go public in 2026 and will seek a valuation of $1.5 trillion, according to media reports.

An illustration of the twin tails of WASP-121b — James Webb Space Telescope discovers a hot Jupiter exoplanet leaking twin gas tails that defy explanation "We are only beginning to discover the true complexity of these worlds."

A large, metal bullet-shaped rocket is carried on a trailer behind a truck. — Rocket Lab completes final tests on reusable 'Hungry Hippo' fairing ahead of 1st Neutron rocket launch Rocket Lab has signed a contract to launch its new Neutron rocket on a test flight that will advance the U.S. Air Force's point-to-point cargo transportation concept.

A white light of the comet 3I/ATLAS is surrounded by a blue glow against a black background — Interstellar comet 3I/ATLAS caught on camera in new images from Hubble Space Telescope and JUICE Jupiter probe JUICE and the Hubble Space Telescope turned their gazes towards the interstellar visitor in November.

Skywatching

sun setting above Stonehenge - a large circular stone monument

The summer solstice: What is it and when does it occur?

By Daisy Dobrijevic last updated 11 December 25

Reference The summer solstice marks the start of astronomical summer and the longest day of the year. Here we explore when the summer solstice occurs and why.

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

Night sky tonight: Catch a stellar lizard crossing the Milky Way on Dec. 11

By Jamie Carter last updated 11 December 25

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

Winter Solstice sunset shows a pink sky behind a lighthouse.

When is the winter solstice and what happens?

By Robert Lea last updated 11 December 25

Reference Winter Solstice has long marked a time of rebirth, behind it are fascinating astronomical events.

MORE FROM SPACE...

1
SpaceX launches Starlink satellites from Florida on worldwide 300th orbital flight of 2025
2
NASA's Chandra telescope uses 'X-arithmetic' to reveal how black holes shape galaxy clusters (images)
3
Astronomers capture close-up images of nova explosions on 2 dead stars in unprecedented detail
4
SpaceX plans to go public in 2026, seeks $1.5 trillion valuation: reports
5
57 ways to capture a dying star: Astronomers get a glimpse of what will happen when our sun dies

Spaceflight

A white robotic set up with a blue screen is focused on with a blurry green background behind it

AI helps pilot free-flying robot around the International Space Station for 1st time ever

By John Loeffler published 11 December 25

"This is the first time AI has been used to help control a robot on the ISS."

International Space Station

An astronaut in a white spacesuit stands next to a large gray boulder on the Moon with a small rover in front

On this day in space! Dec. 11, 1972: Apollo 17 astronauts land on the moon

By Hanneke Weitering, Elizabeth Howell last updated 11 December 25

On Dec. 11, 1972, Apollo 17 became the last mission to launch humans on the moon.

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 11 December 25

Reference Keep up with all the rocket launches, astronomical events and mission milestones for 2025 with our space calendar.

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 11 December 25

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

test

Rocket Lab scrubs launch of Korean disaster-monitoring satellite due to sensor issue

By Mike Wall published 10 December 25

Rocket Lab will launch a Korean disaster-monitoring satellite today (Dec. 10), and you can watch the action live.

Launches & Spacecraft

Science & Astronomy

A close up of the surface of Mars showing blue dunes with streaks of ancient river basins between the dunes

Scientists map of old Mars river basins for the 1st time. These could be great places to search for ancient life

By Sharmila Kuthunur published 11 December 25

"We did the simplest thing that could be done — we just mapped them and pieced them together."

A glowing spiral galaxy with pink and purple and yellow gas swirls around small dots of young stars in space

Hubble sees 'Lost Galaxy' in the Virgo constellation | Space photo of the day for Dec. 11, 2025

By Kenna Hughes-Castleberry published 11 December 25

This stunning image is full of young star clusters.

Hubble Space Telescope

Space Photo of the Day

Hubble sees 'Lost Galaxy' in the Virgo constellation | Space photo of the day for Dec. 11, 2025

By Kenna Hughes-Castleberry Published 11 December 25

VIEW MORE IMAGES

Entertainment

a half-human, half-cyborg image

Human evolution hits a crossroad in daring new sci-fi novel, 'Existence Equation', and we have an exclusive excerpt for you

By Jeff Spry published 10 December 25

Mind transfers, nanotech, and robotic innovations take center stage in this visionary 2026 book.

ARC Raiders is an oddly comforting reminder that Earth will get along just fine without us after the AI apocalypse

By Fran Ruiz published 10 December 25

Embark Studios' extraction shooter takes cues from sci-fi classics to establish a dark future, but its cautionary tale is more believable than most.

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 8 December 25

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 28 November 25

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 24 November 25

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

Search for Life

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 9 December 25

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

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 8 December 25

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

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 7 December 25

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

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