The comet broke into pieces after making a close approach around the sun in October 2025.

NASA’s TESS tracked the interstellar comet during a special observation period from January 15 to 22, 2026.

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

Comet C/2025 K1 (ATLAS) fragmented after its October 2025 solar approach, with telescope observations documenting multiple ...

Just days ago, NASA dropped a batch of new images of a comet from an entirely different solar system that has for months been a source of public fascination and speculation. The object, named 3I/ATLAS ...

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 ...

NASA's James Webb Space Telescope has spotted a young star flinging heat-formed crystals outward on a cosmic conveyor belt, ...

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

CAPE CANAVERAL, Fla.(AP) — A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as ...

After years of speculation, scientists finally believe they have figured out the crystal conundrum thanks to new imaging from ...

Astronomers suggest the honor should go to an 11th century monk known for a disastrous flying attempt.