Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

This week, a series of new astronomical observations have deepened the mystery surrounding the unusual interstellar object 3I ...

English physicist and science communicator Brian Cox has given some of his thoughts on comet 3I/ATLAS, the interstellar ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

Named 3I/ATLAS and officially designated C/2025 N1 (ATLAS), the sudden appearance of a visitor from another star system ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

Harvard professor Avi Loeb claims 3I/ATLAS could be an alien spacecraft. Arizona State University professor Steven Desch is ...

Two spacecraft are on course for 3I/ATLAS, a mysterious interstellar object that some believe could be an alien mothership.

Our solar system has an interstellar visitor. It’s an object called 3I-Atlas, and is just the third interstellar object to ...

Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed 3I/ATLAS ...