For only the third time in history, astronomers have identified what they think is an interstellar object — and it could be ...

Comet 3I/ATLAS was discovered on July 1. “It came from outside our solar system and right now, it's inside the orbit of ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

A NASA-funded telescope in Chile identified a comet from interstellar space on July 1, marking a significant astronomical ...