A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

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

Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar ...

Any suggestion that it’s artificial is nonsense on stilts, and is an insult to the exciting work going on to understand this ...

Scientists have examined the interstellar invader 3I/ATLAS, finding evidence that it is packed with water that could be older ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

A mysterious interstellar object, 3I/ATLAS, discovered in July 2025, has sparked debate among astronomers. While most believe ...

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...