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NASA tests drones in Death Valley | Space photo of the day for Dec. 15, 2025
To develop more robust next-generation aerial explorers, NASA's Mars Exploration program is turning to drones.
Geminid meteor shower 2025 thrills skywatchers with an end-of-year celestial firework show (photos)
The Geminid meteor shower peaked overnight on Dec. 13.
Surprise! 2 private spacecraft rendezvous in orbit on newly revealed 'Remora' mission
Two commercial spacecraft pulled off a surprise rendezvous in Earth orbit recently, showcasing skills that could pave the way for satellite servicing missions down the road.
On this day in space! Dec. 15, 1612: Andromeda Galaxy spotted by telescope for the 1st time
On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon Marius.
Good news for lunar bases? Earth's atmosphere leaks all the way out to the moon
Anomalous amounts of volatile elements found in the Apollo samples brought back from the moon have been traced back to our own planet's leaky atmosphere.
Why interstellar comet 3I/ATLAS' close Earth approach is an early Christmas gift for astronomers
When 3I/ATLAS is closest to the Earth on Dec. 19, all the features that we are looking for will be easier to detect with our telescopes.
Aurora forecast for Dec. 15: Northern lights confined to high latitudes tonight
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.
SpaceX Falcon 9 launches 29 Starlink satellites into low Earth orbit from Florida (video)
A SpaceX Falcon 9 rocket carrying 29 Starlink satellites lifted off from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida on Monday, Dec. 15, 2025.
