A look at how 3I/ATLAS's baffling anomalies are reshaping US homeland-defence strategy and elevating the Golden Dome ...

December is an exciting month for those who like to look up, with a comet, a meteor shower, and a conjunction between the ...

Key Findings It may not need to strike Earth to become a threat. Our defensive playbook was built for rocks, not unknown ...

December's full moon 2025 will be the cold supermoon, set to rise amid the longest nights of the year and start of spectacular Geminids meteor shower.

To catch the Geminids peak, look to the eastern sky all evening on Dec. 13 and Dec. 14. The meteors will appear near the bright planet Jupiter. With the darkest possible skies, you could see up to 120 ...

Stunning new photos show the pieces of the "other ATLAS," C/2025 K1, breaking apart in space after the golden comet suddenly ...

Scientists say that 3I/ATLAS has likely been traveling through interstellar space for a long time. Based on how fast it was ...

Interstellar comet 3I/ATLAS is the focus of the eighth official UN and IAWN planetary-defence exercise, running from November 27, 2025, to January 27, ...

3I/ATLAS is only the third known interstellar visitor, hence the prefix “3I.” The second known interstellar body, Comet 2I/Borisov, was discovered by the Russian astronomer Gennady Borisov in August ...

A TikTok influencer claims that a doomsday prophet may have predicted the arrival of 3I/ATLAS in the Solar System.

NASA officially calls 3I/ATLAS a natural comet, but Harvard Professor Avi Loeb highlights 12 unexplained anomalies, including ...

Researchers refined the trajectory of interstellar comet 3I/ATLAS using ExoMars Trace Gas Orbiter data, improving predictions and enabling precise monitoring for scientific study and planetary defense ...