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

New evidence suggests that the famous interstellar traveler may be so old that its home system no longer exists.

Add Yahoo as a preferred source to see more of our stories on Google. Over a month after its perihelion, or closest pass of the Sun, observations still clearly show 3I/ATLAS' "anti-tail." The ...

For a technological object, such a beam could deflect the solar wind, and the dust veil is also just sufficient to block ...

Interstellar comet 3I/ATLAS stole our hearts in 2025. Discovered on July 1, and only the third known interstellar visitor, it ...

A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in Chile, one half of the International Gemini Observatory and ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

SEATTLE — The comet 3I/ATLAS makes its closest approach to Earth on Friday, December 19th, according to NASA. Research Assistant Professor at the University of Washington's Department of Astronomy ...

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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 ...

The interstellar comet 3I/ATLAS will soon leave our solar system, never to return, but the observations of the comet will ...

This week, Earth will get its best chance to steady an interstellar comet as it makes its closest approach to the planet. Comet 3I/ATLAS will get closest to Earth on Dec. 19, and anyone can get a ...