Harvard astrophysicist Avi Loeb co-authored a July research paper speculating about whether the comet 3I/ATLAS is in fact 'hostile' alien technology.

Its path through space will take it between the orbits of Earth and Mars before it heads back out toward interstellar space ...

The comet 3I/ATLAS was discovered just as the Vera C. Rubin Observatory was gearing up to carry out its initial observations ...

Watch how Comet C/2024 S1 (ATLAS) met its demise after traveling close to the sun. Imagers aboard the Solar and Heliospheric ...

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has just been discovered. Using the Gemini North telescope, astronomers have ...

Comets are cosmic time capsules, but some carry stories from far beyond our Solar System. Join us for a live discussion on Comet 3I/ATLAS, the third known interstellar object to visit our cosmic ...

Scientists now say the 3I/ATLAS interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever encountered and some 3 billion years older than our solar system.

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar system by more than 3 billion years, researchers say.

Astronomers discover comet 3 Eye Atlas from another galaxy. The interstellar object offers insights into space beyond our celestial borders.

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

Watch interstellar comet 3I/ATLAS live online tonight as it races toward the sun on a rare visit from beyond our solar system.