Scientists have examined the interstellar invader 3I/ATLAS, finding evidence that it is packed with water that could be older ...

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

Comet 31/ATLAS is only the third interstellar object to ever be observed whizzing through the Solar System. While its origins are uncertain, the comet is thought to come from a part of the Milky Way ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

A newly-discovered comet might light up the night sky in the coming weeks, possibly shining even brighter than the planet Venus. The comet, named Comet ATLAS (C/2024 G3), is making a beeline for ...

Here's an observers' guide to the newly discovered Comet 2025 F2 (SWAN), which is visible in northern skies right now. News. ... Since then, nearly 300 observations of the comet have been made, ...

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Tuesday, Oct. 29, with sky charts, before it disappears.