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Chief of Space Operations U.S. Space Force Gen. Chance Saltzman and distinguished guests stand in front of a radar dome belonging to the 23rd Space Operations Squadron Detachment 1 at Pituffik Space Base, Greenland on April 5, 2023. Det. 1's mission is to provide telemetry, tracking and commanding operations to the U.S. and allied government satellite programs.

What is the US Space Force doing in Greenland?

By Julian Dossett published

The United States' northernmost military installation is critical for national security, Space Force officials say.

Missions

How a leap year mistake knocked out a OneWeb satellite for 2 days

By Julian Dossett published

February 29, 2024 caused quite a stir for a giant satellite provider.

Satellites
Sky chart showing the planetary lineup visible after dark in January 2025. Jupiter is near Aldebaran, the star that makes up the eye of the bull in the constellation Taurus.

See the moon and Jupiter ride the Bull in tonight’s sky

By Samantha Mathewson published

On Friday (Jan. 10), the moon will pass near Jupiter, meeting up with the gas giant in the constellation Taurus. Viewers can expect to see the bright moon and Jupiter shortly after sunset.

Stargazing
An illustration of a white dwarf star stripping stellar material from a companion star

The fastest-spinning 'vampire star' we know of is shrinking. Soon, it will explode

By Robert Lea published

The fastest-spinning white dwarf ever discovered is a shrinking cosmic vampire feasting on a stellar companion. A feeding process is pushing the dead star toward an imminent supernova explosion.

Stars
Star Trek: Lower Decks Final Season and Complete Series Blu-rays

'Star Trek: Lower Decks' Final Season and The Complete Series beam onto Blu-ray this March

By Jeff Spry published

A preview of the Blu-ray release of "Star Trek: Lower Decks" Final Season and The Complete Series

Entertainment

Northern lights forecasts, alerts, and geomagnetic storm warnings

By Daisy Dobrijevic last updated

The latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.

Aurora Borealis
A SpaceX Falcon 9 rocket launches the NROL-153 mission for the U.S. National Reconnaissance Office from Vandenberg Space Force Base in California on Jan. 9, 2025.

SpaceX launches 7th batch of next-gen spy satellites for US government (video, photos)

By Mike Wall last updated

SpaceX launched the seventh batch of "proliferated architecture" spy satellites for the U.S. National Reconnaissance Office tonight (Jan. 9).

Launches & Spacecraft
A tan, gaseious Jupiter hangs in black space, layered like a cross section of geological survey, a swirling red storm at its lower left.

An amateur astronomer used an old technique to study Jupiter — and found something strange

By Victoria Corless published

The long-held assumption that Jupiter's iconic swirling clouds are made of frozen ammonia could be upended.

Jupiter
Blue Origin's New Glenn rocket stacked on the launch pad in November 2024.

What time is Blue Origin's 1st New Glenn rocket launch on Jan. 16?

By Tariq Malik last updated

Blue Origin will launch its first-ever New Glenn rocket on Jan. 16. Here's what time it will fly and where to look to watch it.

Launches & Spacecraft
The upper stage of SpaceX's Starship megarocket rolls out to the launch pad at the company's Starbase site on Jan. 9, 2025 ahead of a planned Jan. 13 test flight.

SpaceX rolls Starship out to pad ahead of Flight 7 test launch (photos)

By Mike Wall published

SpaceX rolled the upper stage of its Starship megarocket out to the pad this morning (Jan. 9) ahead of its planned Jan. 13 test flight.

Launches & Spacecraft
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