I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

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

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

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

An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic ...

Traveling at 152,235 miles per hour, possibly older than sun, 3I/ATLAS’ unusual orbit sparks debate among astronomers about ...

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

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

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

A new analysis of our solar system’s interstellar interloper, 3I/ATLAS, reveals that it’s spewing huge amounts of water — and ...

If the astronomer's hypothesis is right, it could mean that the interstellar object is linked to alien technology.

The first images from Mars of the Manhattan-sized interstellar object 3I/ATLAS have been released as NASA has gone radio ...