Sometimes serendipity happens in science. Whether it's an apple falling from a tree or a melting chocolate bar, some of the ...

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

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

Given 3I/ATLAS' highly eccentric orbit, this will be its one and only visit to our solar system, as its trajectory does not ...

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

New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...

The comet was discovered on July 1 by the ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope. Knowing ...

Comet 3I/ATLAS is expected to make its closest pass by the Sun on Oct. 30, when it will fly 130 million miles inside the ...

We've only known about its existence for a few short weeks, and already astronomers have been able to learn a lot about the ...

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...