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

The International Asteroid Warning Network (IAWN) launches a global campaign to improve comet astrometry, targeting the ...

Astronomers around the world are closely watching an interstellar visitor unlike anything formed in our solar system.

A European Mars probe witnessed the interstellar comet 3I/ATLAS' Red Planet flyby on Oct. 3, snapping imagery of the interloper from just 19 million miles (30 million kilometers) away.

Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed 3I/ATLAS, were captured by two of the the European Space Agency's Mars orbiters -- ...

When you get the chance to go on vacation, take it by October 29, because you never know what may come. That was Harvard ...

ESA’s Mars orbiters have observed comet 3I/ATLAS, only the third interstellar comet ever discovered. The faint, distant ...

An interstellar visitor is zipping through the Milky Way, and a team of Michigan State University researchers is keeping ...

The stunning photos of the interstellar object, 3I/ATLAS, were taken by the European Space Agency's Mars orbiters last week.

Pfalzner's models show that interstellar objects — bodies ejected from other star systems — could be captured by these planet ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...