Astronomers have attempted to explain the non-gravitational acceleration of comet 3I/ATLAS, our third confirmed interstellar ...

A Harvard astronomer has proposed a bold theory about a mysterious interstellar object that has been observed accelerating ...

The interstellar object 3I/ATLAS is baffling scientists with its erratic speed and unusual light signature. A new preprint ...

I/ATLAS sent a message to Earth after it passed its perihelion. Scientists found the interstellar object brightened fivefold ...

Interstellar object 3I/ATLAS has surprised scientists by showing no cometary tail after passing close to the Sun. This ...

I/ATLAS showed a complex tail structure early this morning of November 8, 2925. It was observed at 29 degrees elongation from ...

The Manhattan-size interstellar object 3I/ATLAS exhibited signs of non-gravitational acceleration and appeared “bluer than the sun” as it passed our local star — which could be signs of an alien craft ...

Scientists have detected the first radio signal from interstellar object 3I/ATLAS. This discovery confirms the object is a ...

A mysterious visitor from beyond the Solar System has emerged from its solar flyby without the cometary tail astronomers ...

Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a ...