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

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...

There's a new interstellar object moving through our solar system and it's called 3I/ATLAS, according to NASA.

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

PARIS - Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Webb’s new images of the Bullet Cluster reveal the most detailed dark matter map yet, shedding light on cosmic collisions and ...

The object, a celestial body from another star system, was discovered on Tuesday by the University of Hawaii’s Asteroid ...

For only the third time in history, astronomers have identified what they think is an interstellar object — and it could be ...