Astronomers have recently detected a colossal object at the edge of our solar system, sparking excitement and curiosity ...

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

Our solar system's latest and only third known interstellar visitor is becoming more fascinating by the minute. Spotted in early July, the object, dubbed 3I/ATLAS, is believed to be a comet. It's ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our solar system—only the third ever spotted, though scientists suspect many more may slip past unnoticed.

These objects range from microscopic in size to well over 100 yards in diameter — a far more significant presence than the background level of gas and dust diffused throughout the cosmos.

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system came from.

New research suggests that our Solar System may already be swimming in interstellar objects that originate from the Alpha Centauri system.

The recently discovered comet is the third interstellar object discovered wandering through our solar system.