The comet 3I/ATLAS is the third confirmed interstellar object and is likely 3 billion years older than our own solar system.

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

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Is the solar system an interstellar highway, with cosmic objects speeding past at warp speeds without human notice? That’s ...

“Comet of the century” will be visible for first time in 80,000 years. Here’s how to glimpse it Comet Tsuchinshan-Atlas will make a pass close to the Sun throughout late September and ...

C/2024 G3 (ATLAS) is one of the few comets on record that became bright enough to be visible in the daytime without optical aid like binoculars or a telescope.

What can a newly discovered interstellar comet teach scientists about solar system formation and evolution? This is what a recent study presented at the Na | Space ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar system by more than 3 billion years, researchers say.

Classified as a comet, 3I/Atlas was first spotted on Tuesday by the NASA-funded ATLAS survey in Hawaii. Subsequent analysis ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.