Comet 31/ATLAS is only the third interstellar object to ever be observed whizzing through the Solar System. While its origins ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

A newly discovered interstellar comet could be older than the Solar System, and scientists think it carries secrets from the dawn of the galaxy.

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

The comet, officially confirmed on July 1, 2025, by the Asteroid Terrestrial Impact Last Alert System (ATLAS) telescope in ...

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

According to the team's measurements, the comet's nucleus is around a whopping 128 kilometers (80 miles) across, making it bigger than the state of Rhode Island, and far larger than its closest ...

Scientists discover 3I/ATLAS, a possible 7-billion-year-old comet from deep space. It may rewrite what we know about the ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

It was only discovered last month (1 July) by the ATLAS survey telescope in Chile and NASA was quick to confirm that the ...