Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

Scientists are exploring various proposals to repurpose existing spacecraft in order to chase after the interstellar object ...

The strange 3I/ATLAS comet that was recently discovered to be speeding through our solar system could actually be the work of ...

The NSF-DOE Vera C. Rubin Observatory in Chile recently captured rare footage of the visitor known as 3I/ATLAS — only the third interstellar object discovered. What’s more impressive: The observatory ...

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

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

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

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

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