That community recently came together to observe Comet C/2023 A3 (Tsuchinshan-ATLAS) as it passed through the night sky. Near ...

“Space is big. Very, very large”, Douglas Adams has once written, and interstellar comet 3I/ATLAS has made that famous statement look like a practical challenge to space vessels: how to scan the ...

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 ...

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

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

A comet from another star system, known as 3I/ATLAS, is giving astronomers a rare chance to study an object that began its journey billions of years ago, far beyond our solar system. “This comet in ...

Astrophysicists are scrambling to study an ancient comet from another star system that entered the solar system this year, and which has already swung past Mars. Dubbed 3I/ATLAS, the comet poses no ...

This cosmic question mark, seen in 2024, is courtesy of galaxy cluster MACS-J0417.5-1154, which is so massive that it is ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail from the outer edges of our solar system — possibly what's known as the Oort ...

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