Thursday, December 18, 2025

3I/ATLAS's close approach tonight | JWST confirms 1st runaway supermassive black hole | Isaacman confirmed as NASA Chief

Blue Origin to launch 1st wheelchair user to space today | Fallout gifts for gamers
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December 18, 2025
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The Launchpad
 
3I/ATLAS's close approach to Earth is tonight
Interstellar comet 3I/ATLAS makes its closest approach to Earth tonight. The comet is too distant for most telescopes or binoculars, although large telescopes of 12 inches or more may be able to spot this visitor as it travels through our solar system. 

In other news, the James Webb Space Telescope confirms the first runaway supermassive black hole, Blue Origin plans to launch the first wheelchair user to space this morning and we take a look at what 2026 could bring for auroras. 

We have all that and more for your daily read. 
Keep looking up,
Kenna
Content Manager, Space.com
 
Webb confirms 1st supermassive black hole on the run
Webb confirms 1st supermassive black hole on the run
"The forces that are needed to dislodge such a massive black hole from its home are enormous."
 
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What time will 3I/ATLAS be closest to Earth tonight?
What time will 3I/ATLAS be closest to Earth tonight?
NASA JPL pinpoints the moment the interstellar visitor passes closest to our planet.
Full Story: Space (12/17)
 
Space quiz! What does the 'solar maximum' refer to?
Click here for the answer!
VoteWhen the sun will explode
VoteThe biggest solar eclipse on record
VoteThe peak of the sun's 11 year solar cycle
VoteThe largest solar flare ejected by the sun over 1 year
 
 
 
 
 
Space deal of the day
 
10 space-themed kids' gifts for under $100
10 space-themed kids' gifts for under $100
Totally transform a kid's bedroom into a hub of space exploration without breaking the bank this holiday season.
 
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Skywatching
 
Will 2026 have lots of auroras? The projections are in
Will 2026 have lots of auroras? The projections are in
2025 was another busy year on the sun. But how did it compare with 2024, and what will 2026 bring for solar activity and the northern lights?
 
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Spaceflight
 
US Senate confirms Jared Isaacman as new NASA chief
US Senate confirms Jared Isaacman as new NASA chief
After a year of acting administrators, NASA now has a new, official leader.
 
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Watch Blue Origin launch 1st wheelchair user to space
Watch Blue Origin launch 1st wheelchair user to space
Michi Benthaus and her five crewmates are scheduled to lift off on Thursday (Dec. 18) at 11:00 a.m. ET.
 
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Science & Astronomy
 
Scientists spot giant x-ray glow from comet 3I/ATLAS
Scientists spot giant x-ray glow from comet 3I/ATLAS
Two X-ray space telescopes capture the comet's high-energy glow, revealing hidden gases and solar wind interactions.
 
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Surprise: No buried ocean on Titan after all?
Surprise: No buried ocean on Titan after all?
"We're not certain if having widespread liquid pockets instead of a global ocean makes Titan more or less habitable."
 
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Technology
 
Rocket Lab launches 4 DiskSats for military
Rocket Lab launches 4 DiskSats for military
The "Don't Be Such A Square" mission went according to plan.
 
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Entertainment
 
Best Fallout gifts to spend your caps on
Best Fallout gifts to spend your caps on
We've rounded up the best Fallout gifts across the wasteland ahead of season two of the hit TV show, available to stream this month.
 
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Today in Space
 
On this day: Dec 18 1999: NASA launches Terra satellite
On this day: Dec 18 1999: NASA launches Terra satellite
On Dec. 18, 1999, NASA launched its flagship Terra satellite into Earth's orbit to collect data about Earth's changing climate.
 
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Space photo of the day: Earth in the sky
Space photo of the day: Earth in the sky
This 3D rendering of our planet was part of France's Festival of Lights celebration.
 
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Scientist Pankaj

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