Astronomers have confirmed the discovery of an "interstellar object" named 3I/Atlas passing through the inner solar system.

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Spotting a possible interstellar object is incredibly rare, and it’s exciting that our UH-operated system caught it,” ...

NASA has confirmed that a mysterious object hurtling towards us is an "interstellar object" that has entered the Solar System ...

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

A MYSTERIOUS cosmic object has been spotted zooming through our solar system – and astronomers say it is only the third of ...

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

Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of ...

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...