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International Space Station prepares for new commander, heads into final five years of planned operations

NASA astronaut Mike Fincke will take command of the orbiting outpost as Expedition 74 begins with the undocking of Soyuz MS-27 on Monday, Dec. 8. The International Space Station is set to be de-orbited around 2030 or soon thereafter.

SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Vandengerg SFB

The Starlink 11-25 mission saw the Falcon 9 rocket fly on a south-easterly trajectory upon leaving the pad. SpaceX completed liftoff from pad 4E at Vandenberg Space Force Base at 12:42 p.m. PST (3:42 p.m. EST / 2042 UTC).

Orion hatch ‘blemish’ delays launch day rehearsal for Artemis 2 astronauts

The hatch issue caused NASA to modify its prelaunch preparations within the Vehicle Assembly Building but it continues to target an early February launch of the mission to carry four astronauts on a loop around the Moon.

Jared Isaacman makes second appeal for NASA administrator position

This will be the second hearing for the commercial astronaut, billionaire and entrepreneur following his first go around in April. This hearing is scheduled for Dec. 3 beginning at 10 a.m. EST (1500 UTC).

Sunset SpaceX launch adds 29 more Starlink satellites into low Earth orbit

The launch was the 350th overall orbital launch from Space Launch Complex 40. SpaceX executed liftoff of the Starlink 6-95 mission at 5:18 p.m. EST (2218 UTC).

Arianespace launches South Korean Earth observation satellite on Vega-C flight

The mission was the sixth launch of a Vega-C rocket to date. Liftoff from Europe’s Spaceport in French Guiana occurred at 2:21 p.m. local time (12:21 p.m. EST / 1721 UTC).

SpaceX launches evening Falcon 9 rocket from Vandenberg SFB

The Starlink 15-10 mission added 27 broadband internet satellites into the low Earth orbit constellation. SpaceX accomplished liftoff from pad 4E at Vandenberg Space Force Base at 9:28 p.m. PST (12:28 a.m. EST / 0528 UTC).

SpaceX kicks off December with predawn Falcon 9 rocket launch

The mission saw the 570th flight of a Falcon 9 rocket to date. Liftoff from Launch Complex 39A happened at 2:44 a.m. EST (0744 UTC).

SpaceX launches 140 spacecraft on Transporter-15 rideshare mission

The planned flight came two days after SpaceX scrubbed a launch attempt on Wednesday amid fueling. Liftoff from pad 4E at Vandenberg Space Force Base happened at 10:44 a.m. PST (1:44 p.m. EST / 1844 UTC).

NASA astronaut, two cosmonauts take Thanksgiving Day ride to space station

Astronomer-turned-medical physicist and now NASA astronaut Chris Williams joined two Russian cosmonauts aboard a Soyuz ferry ship Thursday for a Thanksgiving Day flight to the International Space Station, kicking off a planned eight-month stay in orbit.

3 astronauts settle into their new life in orbit | On the International Space Station this week Dec. 1-5, 2025

Newly arrived and soon-to-depart members of Expedition 73 prepared for what is to come next during this, their final week all together aboard the International Space Station.

NASA's next-gen Roman Space Telescope is fully built. Could it launch earlier than expected?

NASA's Nancy Grace Roman Space Telescope is now fully assembled and ready to begin launch preparations this summer.

Every space and sci-fi game at the PC Gaming Show: Most Wanted 2025

Our friends at PC Gamer hosted a fantastic show looking at the future of video games, and these are our favorite space and sci-fi picks from it.

NASA spacecraft tracks comet SWAN in incredible 40-day timelapse — and even glimpses interstellar invader 3I/ATLAS (video)

NASA imaged Comet C/2025 R2 (SWAN) every four minutes for nearly 40 days, marking the longest any comet has been tracked with such frequency.

Scientists capture 51 images showing exoplanets coming together around other stars: 'This data set is an astronomical treasure'

The Very Large Telescope's SPHERE instrument captured unprecedented images of 51 dusty rings shaping young planetary systems.

'Torchwood: Children of Earth': Why the 2009 mini-series is the greatest thing ever to come out of the 'Doctor Who' universe

Ahead of 'The War Between the Land of the Sea', we look back at a drama that rewrote the rules of the Whoniverse.

'We have lost a lot of time.' Former NASA chief says US needs to start over with moon landing plans or risk losing to China

Former NASA chief Michael Griffin told the U.S. Congress that while China is making great strides in its plan to reach the moon, the United States has "stuck to a plan that does not make sense."

Blue Origin's next space tourism flight will break new ground for people with disabilities

Blue Origin's upcoming NS-37 space tourism launch has special significance: One of the passengers is Michi Benthaus, who will become the first wheelchair user in space.

Mars orbiter sees 'butterfly' crater spread its wings on the Red Planet

A new view of Mars showcases a dramatic impact crater on the Red Planet with its debris wings unfurling across the surface like a butterfly in flight.

The 1st Global Space Awards honors late Apollo 13 astronaut James Lovell on Dec. 5

The Global Space Awards will be held at London's Natural History Museum on Dec. 5.

December's 'Cold Moon' rises: See breathtaking images of the final full moon of 2025

December's "Cold Moon" rose on Dec. 4 as it neared its closest point to Earth in its monthly orbit.

Ancient Chinese texts reveal new clues about the 1st recorded solar eclipse

What can today's scientists learn about astronomical phenomena from ancient texts?

Glowing bridge links dwarf galaxies in stunning new image from the James Webb Space Telescope

A spectacular new view of two dwarf galaxies caught in the middle of a cosmic collision reveals a glowing gas bridge, streams of newborn stars and the ongoing gravitational tug-of-war reshaping both galaxies.

'Hubble tension' is back again as a new cosmic map deepens the puzzle

"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends."

SpaceX launches 28 Starlink satellites to orbit from California (video)

SpaceX launched yet another batch of its Starlink internet satellites on Thursday (Dec. 4), sending 28 of them up from California's central coast.

Scientists discover one of our universe's largest spinning structures — a 50-million-light-year-long cosmic thread

The discovery potentially transforms what we think about how the cosmic environment influences galaxies as they form.

Was Elon Musk in the room where it happened? This senator still wants to know

As he did eight months ago, Sen. Ed Markey asked Jared Isaacman if Elon Musk was in the room when President Trump first offered him the job of NASA chief. And, once again, Isaacman demurred.

Rare solar flare caused radiation in Earth's atmosphere to spike to highest levels in nearly 20 years, researchers say

Levels of potentially dangerous cosmic radiation in Earth's atmosphere rose to a two-decade high in November after a rare solar super-flare pummeled the planet with high-speed particles from the sun.

Mercury is hard to spot, but you can catch it in the morning sky this month

If you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it.

Rare images reveal active sunspots minutes before they unleashed powerful X-flares that caused November 2025's stunning auroras

We don't often get a good look at X-class solar flares from ground-based observatories.

Watch the 'PC Gaming Show: Most Wanted' for updates on High on Life 2, Remnant Protocol, plus more cool sci-fi & space games

Check out the PC Gaming Show: Most Wanted stream and see the sci-fi and space games you'll be playing in 2026 and beyond.

Damaged launch pad: How long before Russia can send astronauts to the ISS again?

A mishap during the successful Nov. 27 launch of three astronauts damaged the only pad that currently supports Russian crewed orbital liftoffs. How long before things are back up and running again?

Geminid shooting stars: One of 2025's most exciting meteor showers begins tonight

The Geminid meteor shower is active from Dec. 4 and hits its peak on the night of Dec. 13-14.

See the metal guts of a satellite in this wild X-ray view | Space photo of the day for Dec. 4, 2025

The EURECA spacecraft flew on the space shuttle Atlantis in 1992.

Why is the universe made of matter? These 'ghost particle' experiments could help us find out

A new joint analysis from the NOvA and T2K experiments offers the most precise look yet at neutrino behavior, bringing scientists closer to understanding why the universe is made of matter.

The US must beat China to moon, Trump pick for NASA chief Jared Isaacman tells Senate: 'If we make a mistake, we may never catch up'

Billionaire private astronaut Jared Isaacman didn't mince words Wednesday (Dec. 3) during his second hearing before the Senate committee considering his nomination for NASA administrator.

Next Blue Origin tourist launch will fly wheelchair user to space for 1st time

Blue Origin's next space tourist launch will make history, sending a wheelchair user to the final frontier for the first time.

Struck by a cosmic ray: Galactic particles may have forced a passenger jet to make an emergency landing

A cosmic ray from a faraway supernova explosion may have sent a packed passenger jet into free fall in late October, forcing an emergency landing.

Europe picks companies to help build Argonaut moon lander

Europe's plans to develop its "Argonaut" robotic moon lander are moving ahead with the announcement of an Italy-led consortium that will build a key element of the spacecraft.

China's 1st reusable rocket explodes in dramatic fireball during landing after reaching orbit on debut flight

The first test flight of Landspace's Zhuque-3 rocket ended in a fiery explosion after successfully reaching orbit.

SpaceX can launch its Starship megarocket from Florida pad, Air Force says

The U.S. Air Force has given SpaceX permission to develop SLC-37 at Florida's Cape Canaveral Space Force Station as a launch site for its Starship megarocket.

Large Magellanic Cloud bursts with baby stars | Space photo of the day for Dec. 3, 2025

The vantage point at Cerro Pachón, with its dark skies and high-altitude clarity, enhances the richness of the image.

A 'super-puff' exoplanet is losing its atmosphere, and the James Webb Space Telescope had a look

Astronomers have spotted a distant world "shedding" its atmosphere into space in real time, creating a giant cloud of helium gas that sweeps across its parent star well before the planet itself.

Northern lights may be visible in 15 states Dec. 3

Auroras may be visible from Alaska to New York as a speedy solar wind and incoming coronal mass ejection are expected to buffet Earth's magnetic field.

NASA discovers 'space gum' and sugars 'crucial to life' in asteroid Bennu samples brought to Earth (video)

Asteroid Bennu samples contain life-friendly sugars, a strange "space-gum," and ancient stardust

SpaceX Falcon 9 rocket launches 29 Starlink satellites from Florida (video)

A SpaceX Falcon 9 rocket carrying 29 Starlink broadband internet satellites launched from the Cape Canaveral Space Force Station in Florida on Tuesday, Dec. 2, 2025.

Last-minute camera deals: Grab these final few Cyber Monday camera deals before they're gone

Looking to level up your photography gear? Black Friday and Cyber Monday are behind us, but if you're fast, you can still save big on these final few camera deals, from Canon, Sony and Nikon.

Cosmonaut removed from SpaceX's Crew 12 mission for violating national security rules: report

Veteran cosmonaut Oleg Artemyev was taken off SpaceX's Crew 12 mission to the International Space Station after violating ITAR regulations, according to the Russian publication The Insider.

Time travels faster on Mars than on Earth, and here's why

Measuring the time discrepancy between Earth and Mars will help make future navigation and communication systems on the Red Planet more accurate.

For the 1st time ever, 8 spacecraft are docked to the International Space Station

All eight of the International Space Station's docking ports are currently occupied by visiting spacecraft, marking a milestone for crewed spaceflight.

Hurry! The best done on the market is still on sale for Cyber Monday, but there are only a few left in stock

It's not too late to get a great Cyber Monday drone deal, as the DJI Mavic 4 Pro is still $500, but there aren't many left, so you'll have to be quick.

Europe passes record-breaking space budget while NASA hit with deep cuts

The European Space Agency member states have approved a record-breaking budget for the next three years, including increased funding for science exploration.

China to return damaged spacecraft to Earth after sending up replacement for stuck astronauts

China's space agency has announced it will return a damaged spacecraft back to Earth without crew after a suspected debris strike left it unfit for flight.

These five last-chance Cyber Monday telescope deals are still live, but you'll have to hurry

Cyber Monday may be behind us, but there are still a few deals to be had. We've rounded up the remaining bargains, so snap these up before they're gone!

Round 2: Watch Senate hearing for Jared Isaacman's re-nomination as NASA chief today

The U.S. Senate will hold its second hearing to consider billionaire tech entrepreneur Jared Isaacman's nomination for NASA chief on Wednesday (Dec. 3), and you can watch the action live.

Could future astronauts build houses on Mars with bacteria?

Would you like to live in a house on Mars made with Earth bacteria and Martian rocks?