Learn how Comet 3I/ATLAS began to emit methane as it approached the sun, releasing compounds contained within its inner ...

A new intriguing study of the interstellar visitor 3I/ATLAS has revealed that the object’s chemical composition shifted ...

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

You've got time to wave goodbye to our interstellar visitor.

Interstellar comet 3I/ATLAS, the third of its kind, is revealing its composition as it heads back into deep space. Scientists ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

Add Yahoo as a preferred source to see more of our stories on Google. This animation shows the observations of comet 3I/ATLAS when it was discovered on July 1, 2025. The NASA-funded ATLAS survey ...

On July 1, 2025, astronomers caught sight of a mysterious object racing through the solar system. This object, now named 3I/ATLAS, became only the third known visitor from outside our planetary ...

Add Yahoo as a preferred source to see more of our stories on Google. Interstellar object 3I/ATLAS is on the opposite side of the sun from Earth - but several spacecraft are in the perfect position to ...

Interstellar comet 3I/ATLAS showed changing chemistry near the Sun, revealing clues about its internal structure and offering ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...