These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

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

Astronomers spot a mysterious object from interstellar space. The object, 3I/Atlas, is traveling at 60 km/s. It poses no ...

The "new stars" are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

WASHINGTON (Reuters) -Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

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 ...

We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...