Scientists have discovered the longest intergalactic filament in the cosmos.

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'Star Trek: Discovery' concludes Georgiou's journey in 'Terra Firma, Part 2'
A guest star role with an alien entity from "The Original Series" is confirmed in the Star Trek: Discovery season 3 episode Terra Firma, Part 2.

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India launches new communications satellite CMS-01 into orbit
India successfully launched a communications satellite into orbit Thursday (Dec. 17) to provide service across the country's mainland and some island regions.

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Satellite tracks intense winter snowstorm across US East Coast
Satellites in orbit have captured stunning views of the powerful Nor'easter that dropped snow on a wide swath of the U.S. Northeast on Wednesday and Thursday (Dec. 16-17).

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'Greenland' offers grim take on how humanity will respond to a comet impact
If a threatening comet was bearing down on Earth with no hope of deflection, what would happen next?

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SpaceX aborts US spy satellite launch due to rocket booster pressure issue
SpaceX called off the planned launch of a Falcon 9 rocket carrying a classified spy satellite for the U.S. National Reconnaissance Office due to high pressure in the second-stage booster.

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Boeing reveals mission patch for second Starliner orbital flight test
As final touches are being put on Boeing's next Starliner spacecraft to launch, the company has revealed a new Orbital Flight Test-2 (OFT-2) mission patch.

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Pictures from space! Our image of the day
After a bout of heavy snowfall, the snow-covered Alps can be seen from space in this image snapped by the Copernicus Sentinel-3 mission.

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On This Day in Space! Dec. 17, 2012: NASA's 2 GRAIL orbiters slam into the moon
On Dec. 17, 2012, NASA's GRAIL mission crashed into the moon. See how it happened in our "On This Day In Space" series!

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Trump signs Space Policy Directive-6 on space nuclear power and propulsion
Nuclear power will be a big part of the United States' space exploration efforts going forward, a new policy document affirms.

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Scientists think they've detected radio emissions from an alien world
Scientists may have detected radio emissions from a planet orbiting a star beyond our sun for the first time.

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What it's like to watch a presidential election from 'Mars'
I watched the contentious 2020 presidential election unfold from 71 million miles (114 million kilometers) away on the surface of Mars and it was … different.

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SpaceX will launch a spy satellite for the National Reconnaissance Office Thursday. Watch it live!
SpaceX is set to launch a classified payload for the National Reconnaissance Office on Thursday (Dec. 17), during a three-hour launch window that opens at 9:45 a.m. EST (1400 GMT).

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Canadian astronauts will start flying to the moon in 2023 with NASA's Artemis missions
Canada plans to send two astronauts on moon-bound missions.

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Here comes the juice! Gear up for 'The Expanse' Season 5 with our guide to the interstellar action
Amazon Prime Video's "The Expanse" returns with a supercharged new season five and a chilling villain that will leave you breathless.

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'The Expanse': Here's a recap of Season 4 ahead of Season 5 on Amazon Prime Video
Need a quick recap of the events of Season 4 of "The Expanse"? We've got you covered.

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China's Chang'e 5 capsule lands on Earth with the 1st new moon samples in 44 years
China's Chang'e 5 moon sample-return capsule landed in Inner Mongolia on Wednesday (Dec. 16), returning lunar rocks for the first time since 1976.

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Russia has launched an anti-satellite missile test, US Space Command says
Russia has launched a new anti-satellite missile test, its latest push to weaponize space, U.S. Space Command officials said Wednesday (Dec. 16).

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