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For the second night running SpaceX scrubbed the launch of a Falcon 9 rocket carrying a Cosmo-SkyMed Second Generation satellite for Italy.
Bruno’s resignation from United Launch Alliance was announced just four days ago on Dec. 22. He led that company for nearly 12 years.
The Dec. 22 launch was the fourth and final flight of an H3 rocket in 2025.
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.
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.
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 18 spacecraft.
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.
The vote on Dec. 17 closes out a year-long nomination process featuring the removal and renomination of the commercial astronaut.
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 UTC).
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).
"I am the watcher on the walls."
Your complete guide to the brightest planetary moments of 2026.
We've tested many image-stabilized binoculars — here's our expert verdict on whether you should bite the bullet and buy a pair or go with regular binoculars for stargazing.
"It's really not a question of robotic exploration or human exploration," Ehlmann said. "It is an 'and' — it's robotic and human exploration and how we do these best together."
From Grogu to the Death Star, we look back over the Lego Star Wars sets released over the course of 2025.
The power of Grayskull, Superman's cousin, and the return of a certain galaxy far, far away are among 2026's big-screen wonders.
An impressive display piece for Lego-loving space fans who want to commemorate the legacy of this iconic post-Space Race vessel.
NASA's new chief Jared Isaacman said controversial proposal to move the space shuttle Discovery to Texas from its current home in a Smithsonian Air and Space Museum hangar in Virginia, may end with a different spacecraft entirely landing in Houston.
There are billions of dollars in it for companies able to kickstart mining operations, even if such returns are still years away.
Tory Bruno, the longtime chief of the launch provider United Launch Alliance (ULA) has joined the competition at Blue Origin.
Bears, stars, Battlestar Galactica
SpaceX just set a new annual-launch record for the sixth year in a row, and the numbers are getting pretty silly.
Constellations, planets, a waxing moon and more grace the night sky this New Year's Eve.
"Some will not change behavior until something bad happens."
The new Govee Star Light Projector 2 Pro provides a dreamy bedroom celestial display that's brighter and clearer than ever before.
The four astronauts who will fly around the moon on NASA's Artemis 2 mission suited up, walked out and climbed aboard their spacecraft during a key prelaunch test at Kennedy Space Center.
Ever wondered which constellation mirrors your personality? Take this cosmic quiz to find out which starry pattern best reflects your inner self
The test is designed to prepare satellites for one of the most complex tasks in space: safely approaching another object.
"The damage is real, but it doesn't have to be permanent."
From auroras at 36,000 feet to comet flybys and eclipses, these are the standout images our readers shared with Space.com in 2025.
This historic 2026 'Infinite Flight' service will blast off via a Stoke Space Nova rocket
From Spider-Man to the Guardians of the Galaxy, here are the most expensive Lego Marvel sets you can get your hands on.
Why do people often adopt and develop beliefs that lack strong supporting evidence?
Iran has launched a trio of new satellites into space with the help of a Russian rocket, the country's state media reported Sunday (Dec. 28).
We saw quite a few milestones notched in the final frontier this year. But there were a number of failures as well, some of them quite dramatic.
The image offers a rare look at how Earth's surface and atmosphere interact after sunset.
At first glance, it seems like our understanding of physics forbids free will.
Here are the best lunar events to see in 2026, including eclipses, supermoons and conjunctions.
This lightweight medium-format powerhouse is one of the most powerful cameras you can get, but how does it work for astrophotography?
Looking to watch some of the best Sci-Fi movies and shows ever without having to rely on streaming? Don't skip these out-of-this-world Blu-ray editions.
This low-cost mission is still only getting started, and it's taking bigger risks than typical big-ticket NASA missions.
Hunt for key terms that define one of the universe's most mind-bending phenomena—from event horizons to singularities.
We asked our staff to choose their favorite Space.com stories of 2025. Here's what we got.
Here are eight of the most spectacular astronomical discoveries of 2025.
Boldly going where no Lego set has gone before, the first-ever Star Trek Lego set you can buy and it is awesome!
Test your space smarts with our weekly crossword challenge, crafted from Space.com's biggest headlines.
When a piece of debris hits another object in space, it can also create more space debris, adding to the problem.
Spike your eggnog and relax with our list of the finest flicks of the year about invasive AI, soaring superheroes, and Lovecraftian horrors.
It's the 12 days of Spacemas, fa la la la la la la la la (sorry).
Searches for dark matter particles have come up empty so far, driving theorists to get more creative with their ideas.
While space is often referred to as a vacuum, it isn't completely empty.
Which is the best streaming device out there? We've pitted four of the best models on the market against each other to determine the top option.
As another year comes to an end, we sit down and collect our thoughts on the best sci-fi and space video games of 2025.
After nearly 12 years leading the United Launch Alliance (ULA), its chief Tory Bruno is stepping down from the U.S. rocket launch provider to pursue "another opportunity," the company announced this week.
It marks the first time newly commissioned Space Force Guardians have graduated Officer Training School (OTS) wearing this uniform.
Don't miss the moon cozy up to Saturn on Dec. 26.
New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown.
From the moon and Jupiter to famous nebulae and galaxies, here’s your beginner-friendly guide to what to point your brand-new telescope at.
Overall, the Arctic is warming more than twice as fast as the Earth as a whole.
Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos.