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

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

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

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

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

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

Our cosmic home, the solar system, contains incredible planets and magnificent celestial objects, all held together with the ...

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...

Priscilla Diane Chapman Frisch, a University of Chicago Research Professor in Astronomy and Astrophysics and a world-leading ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

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