Astronomers analyzing observations of interstellar comet 3I/ATLAS using the W. M. Keck Observatory have discovered further ...

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

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

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

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

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

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

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 ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets.

The Earth will soon finally learn the truth about 3I/ATLAS after months of mothership rumors and speculation about advanced ...