Could a comet from another star system carry the chemical fingerprints of worlds we’ve never seen? The arrival of 3I/ATLAS ...

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

During comet 3I/ATLAS's closest approach to Earth, the Breakthrough Listen project attempted to search the interstellar ...

The Breakthrough Listen Initiative, together with its network of collaborators, has undertaken observations of 3I/ATLAS using ...

Interstellar object 3I/ATLAS nears Earth, showing a rare anti-tail, changing brightness, and new clues about its origin, with no risk to our planet.

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

Scientists tracked interstellar comet 3I/ATLAS and found rotating jets in a rare sun-facing tail during its 2025 pass through ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

Astronomers discovered a comet originating from outside the solar system this summer. Its name is 3I/ATLAS ("three-eye-Atlas"), which means it's the third interstellar object found in the solar system ...

Breakthrough Listen searched for technosignatures from interstellar comet 3I/ATLAS but found no unusual signals or behavior ...

NASA mentioned that the Interstellar Comet 3I/ATLAS has been approaching from the general direction of the constellation ...