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

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

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

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

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

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

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 ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Travel to James Webb Space Telescope's NIRCam and MIRI instrument views of protostar L1527. The protostar is about 100,000 ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.