In a stroke of luck, astronomers saw the comet C/2025 K1 (ATLAS) break into four or five fragments in November after it passed close to the sun.

Add Yahoo as a preferred source to see more of our stories on Google. A comet from another star system, known as 3I/ATLAS, is giving astronomers a rare chance to study an object that began its journey ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...

In a happy twist of fate, NASA's Hubble Space Telescope witnessed a comet in the act of breaking apart. The chance of that happening while Hubble watched is extraordinarily minuscule. The findings are ...

The JUICE spacecraft captured its first detailed glimpse of interstellar comet 3I/ATLAS, revealing a glowing coma and ...

Scientists are scrambling to explain why interstellar visitor 3I/ATLAS is carrying life's chemical building blocks at ...

This week, astronomers here on Earth, as well as a collection of NASA spacecraft, are treating us to amazing new views of alien comet 3I/ATLAS. The latest interstellar visitor to swing through our ...

Astronomers studying the interstellar comet 3I/ATLAS have identified methanol, hydrogen cyanide, and methane in its chemical ...

Astronomers using ALMA have found large quantities of methanol in comet 3I/ATLAS, making it one of the most alcohol-rich comets ever detected. Scientists are gaining more insights in this case, as ...