The comet broke into pieces after making a close approach around the sun in October 2025.
Comet C/2025 K1 (ATLAS) fragmented after its October 2025 solar approach, with telescope observations documenting multiple ...
Interstellar comet 3I/ATLAS is now barreling away from the sun, never to return to the solar system. There's one more chance ...
The interstellar visitor may still have a few things to tell us before it leaves our solar system.
Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope Project featuring live views of the enigmatic visitor as it continues its ...
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Halley wasn't the first to figure out the famous comet. An 11th-century monk did it first, new research suggests
An 11th-century monk saw the famous "Halley's comet" first as a child and later as an adult, new research finds.
King William should have seen his demise coming, according to the medieval omen experts of his era. Halley’s comet appeared ...
The British astronomer and mathematician Edmond Halley was not, after all, the first to understand the cycle of the comet ...
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