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H3 rocket suffers upper stage anomaly, fails to correctly deploy navigation satellite

The Dec. 22 launch was the fourth and final flight of an H3 rocket in 2025.

Tory Bruno steps down as President, CEO of ULA

The announcement was made by Robert Lightfoot, the ULA Lockheed Martin Board Chair, in a statement on Monday. The board now begins a search for his permanent replacement.

Astronauts, launch teams practice Artemis 2 countdown

The run-through simulated day-of-launch activities, included suit up, ingress into the Orion spacecraft and a countdown that stopped just shy of T-0.

Space Development Agency awards roughly $3.5 billion to 4 companies for 72 missile tracking and warning satellites

This batch of satellites will populate what the SDA calls the Tracking Layer of its Proliferated Warfighter Space Architecture (PWSA) constellation in low Earth orbit. The work will be divided evenly, with each company building…

Rocket Lab launches 4 novel DiskSat satellites for U.S. Space Force, NASA

The STP-S30 mission was moved up five months on the launch manifest for Rocket Lab. This was the 20th launch of an Electron rocket in 2025.

Senate confirms Jared Isaacman as 15th NASA Administrator

The vote on Dec. 17 closes out a year-long nomination process featuring the removal and renomination of the commercial astronaut.

SpaceX flies Starlink mission using Falcon 9 booster flying for a 30th time

The Falcon 9 rocket launching the Starlink 15-13 mission will fly on a south-easterly trajectory upon leaving pad 4E at Vandenberg Space Force Base. Liftoff is for 7:27 a.m. PST (10:27 a.m. EST / 1527…

SpaceX launches Wednesday morning Starlink mission from Kennedy Space Center

The Starlink 6-99 mission represents SpaceX’s 125th launch to date from Launch Complex 39A at NASA’s Kennedy Space Center. Liftoff is scheduled for 8:42 a.m. EST (1342 UTC).

Rocket Lab Electron rocket aborts liftoff at engine ignition

The ‘Bridging the Swarm’ mission comes two days after the company launched its ‘RAISE and Shine’ flight for JAXA. Liftoff is scheduled for 1:55 p.m. NZDT / 0055 UTC on Dec. 16 (7:45 p.m. EST…

ULA Atlas 5 launch puts Amazon’s 180th broadband satellite in low Earth orbit

Liftoff from Space Launch Complex 41 at Cape Canaveral Space Force Station occurred at 3:28 a.m. EST (0828 UTC), as the RD-180 engine on the booster roared to lift alongside five solid rocket boosters.

The biggest black hole breakthroughs of 2025

2025 was another big year for black holes, and here's our pick of the top black hole stories from the last twelve months.

Russia patents space station designed to generate artificial gravity

According to the patent, habitable modules would rotate around a central axis to simulate gravity for crew by producing an outward-pushing centrifugal force.

10 most expensive Lego Star Wars sets available right now

In a galaxy not so far away, Lego sets can be VERY expensive: Here are the most expensive Lego Star Wars sets you can currently buy.

Before trips to Mars, we need better protection from cosmic rays

Outside Earth's protection, space travellers will be routinely exposed.

Santa's sleigh or the International Space Station? How to spot a bright Christmas flyby Dec. 24 and 25

Early risers across North America and Europe may spot a bright, silent light gliding across the Christmas sky — and it just happens to coincide with an ISS flyby.

Northern lights chances rise for Christmas as space weather remains unsettled

Fast solar wind and a possible glancing blow from a coronal mass ejection could spark auroras over Christmas.

Interstellar comet 3I/ATLAS reveals weird wobbling jets in rare sun-facing tail

3I/ATLAS may have moved away from Earth as it makes its way out of the solar system, but this interstellar intruder continues to delight and surprise astronomers.

Indian rocket launches record-breaking BlueBird 6 smartphone satellite to orbit

An Indian LVM3 rocket successfully launched the massive BlueBird 6 smartphone satellite for AST SpaceMobile to orbit on Tuesday night (Dec. 23).

We didn't find answers in 2025, but UFO researchers say the search continues

"Science doesn't always go as planned. In any case, there's a lot of work to be done."

Artemis 2 moon rocket gets 'America 250' paint job | Space photo of the day for Dec. 23, 2025

The "America 250" logo commemorates the upcoming 250th anniversary of the signing of the Declaration of Independence.

Doomed SpaceX Starlink satellite photographed from orbit

We just got a great up-close look at a SpaceX Starlink satellite that recently suffered an anomaly in orbit, thanks to Vantor's WorldView-3 spacecraft.

Best targets to observe between Christmas and New Year 2025

From a crescent moon and a 'Christmas Star' to deep sky delights, the wonders of the holiday night sky are yours to explore.

South Korean startup Innospace fails on its 1st orbital launch attempt

The South Korean startup Innospace failed during its first orbital launch attempt, which sent five satellites aloft on Dec. 22 from Brazil.

Nebula knowledge: Do you know these stunning space structures?

Test your cosmic eye: can you match these dazzling nebula images to their names?

The best sci-fi TV shows of 2025, ranked

Watch those skies! In 2025, quality television really did come from outer space.

12 days of space and sci-fi books: Check out these festive holiday titles for your gift list or yourself!

Yuletide season is officially upon us and here's a joyous array of new titles to add to your holiday reading list.

How to track Santa Claus this Christmas Eve with NORAD's 2025 tracker

NORAD celebrates its 70th year of tracking Santa Claus as he flies around the world delivering joy this Christmas Eve.

Rocket Lab launches final mission of 2025, sends Japanese Earth-observing satellite to orbit (video)

Rocket Lab launched its 21st and final mission of the year over the weekend, sending a private Japanese Earth-observing satellite to orbit.

Meet Qingzhou, China's next-gen cargo craft for its Tiangong space station (video)

Qingzhou is a lighter and potentially lower-cost alternative to China's Tianzhou freighter.

Northern lights may be visible in 10 states Dec. 23-24

Auroras may be visible from Alaska to Idaho as incoming speedy solar wind continues to buffet Earth's magnetic field.

10 space zombie movies, books, and games to prepare you for the night of the intergalactic dead

From space slugs to lunar cemeteries, these movies, games, and books show that the undead can arrive from above, as well as below.

Satellites reveal heat leaking from largest US cryptocurrency mining center

Bitcoin-mining mega data center seen leaking heat into the environment in an image captured from orbit by a thermometer satellite

NASA launches science balloon in Antarctica | Space photo of the day for Dec. 22, 2025

The first scientific balloon flight happened on Dec. 16, 2025.

NASA's SPHEREx telescope completes its 1st cosmic map of the entire sky and it's stunning!

"I think every astronomer is going to find something of value here, as NASA's missions enable the world to answer fundamental questions about how the universe got its start, and how it changed to eventually…

10 times the sky amazed us in 2025

A bevy of comets, a "blood moon" total lunar eclipse and impressive northern lights were just three of the skywatching highlights in 2025. Here's how they unfolded.

Japanese H3 rocket fails during launch of navigation satellite (video)

A Japanese H3 rocket suffered an anomaly during the launch of a navigation satellite on Sunday night (Dec. 21), resulting in the loss of the spacecraft.

Best space board games to play this Christmas

Enjoy some out-of-this-world fun this Christmas with my selection of the best space board games available right now.

Planet-eating stars hint at Earth's ultimate fate

A sampling of aging Sun-like stars demonstrates that they likely eat their closest planets.

Starship success, a private moon landing and more: The top 10 spaceflight stories of 2025

Over the past 12 months, we saw multiple spaceflight records broken, the debut of a powerful new rocket and the first-ever fully successful private moon landing.

Ursid meteor shower 2025 peaks tonight: Here's what to expect from the yuletide light show

Ursid shooting stars may be visible throughout the night on Dec. 21-22.

Who are the Sea Devils? The classic 'Doctor Who' monsters in 'The War Between the Land and the Sea'

As the veteran 'Who' antagonists get ready for their close-up, we look back at 50 years of underwater history.

Winter solstice 2025 marks the shortest day of the year in the Northern Hemisphere today

Today marks the shortest day and longest night of the year as the sun reaches its lowest point in the Northern Hemisphere sky.

When are the next best sales after Black Friday?

Black Friday offers massive discounts on a host of products, but you don't have to wait until the next one to save big. From Boxing Day to Prime Day 2026, we investigate which is the…

The best Stranger Things gifts to celebrate season 5

You don't have to search the upside down to find the best Stranger Things gifts outside of Hawkins, so celebrate season five's release with these top gifts.

James Cameron's sci-fi movies ranked, worst to best

As Avatar: Fire and Ash makes its cinematic debut, here's James Cameron's best directorial sci-fi movies to date – and the list is earth-shatteringly impressive.

This Week In Space podcast: Episode 190 — Holiday Special 2025

On Episode 190 of This Week In Space, Rod Pyle and Tariq Malik look back at the past year in space — its ups, its downs, its all-arounds.

'Enemy Mine' at 40: An empathetic space adventure that still resonates strongly today

Hated rivals Dennis Quaid and Lou Gossett Jr. find brotherhood on a desolate planet in Wolfgang Petersen's cult sci-fi classic.

How the 'delayed choice quantum eraser' experiment got us to rethink reality

Does the universe notice that we're paying attention to a quantum experiment? The answer goes against everything we thought we knew.

The best last-minute holiday gifts for any die hard space superfan

Show the space enthusiast in your life that you love them to the moon and back with the best last-minute holiday gifts available.

Looking for a skywatching Christmas gift? We have hunted down the best last-minute deals on telescopes, binoculars and more

Are you behind on your holiday shopping or holding out for some final pre-Christmas bargains? From telescopes to monoculars, we've rounded up the best last-minute savings on optical equipment.

Mysterious bright blue cosmic blasts triggered by black holes shredding stars, scientists say. 'It's definitely not just an exploding star.'

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar explosion — or any other type of normal stellar explosion."

Lego has gone boldly where they have never gone before with their first-ever Star Trek set, and it's back in stock with a free gift!

The 3,600-piece Lego Icons Star Trek USS Enterprise is Lego's first-ever Star Trek set, and you get a free gift when you purchase it before Christmas eve.

Astronomers may have spotted the 1st known 'superkilonova' double star explosion

"We do not know with certainty that we found a superkilonova, but the event nevertheless is eye-opening."

These 2 companies are teaming up to offer insurance for space debris strikes on satellites

Odin Space and Arkisys are teaming up to provide customers with pioneering insurance for spacecraft specifically to cover space debris collision events.

As Avatar returns to theaters, there's never been a better time to check out 'Avatar: Frontiers of Pandora'

Ubisoft's ambitious open-world game remains the best way to immerse yourself in Pandora's lush locales, exotic creatures, and fierce battles.

Love capturing the cosmos? Make your money go further this Christmas with these last-minute camera and lens deals

Whether you're buying for yourself or hunting for a gift for a keen astrophotographer, there's still time to save hundreds with these last-minute deals on cameras and lenses.

2 of Earth's rarest lightning phenomena captured simultaneously in once-in-a-lifetime photo

A photographer in Italy captured an ultra-rare elve and red sprite flashing above the Alps in a single breathtaking moment.

James Webb Space Telescope watches 'Jekyll and Hyde' galaxy shapeshift into a cosmic monster

"Virgil has two personalities, its 'good' side – a typical young galaxy quietly forming stars. But Virgil transforms into the host of a heavily obscured supermassive black hole, pouring out immense quantities of energy."