Interstellar Comet 3I/ATLAS is believed to be much older than the whole Solar System. It traveled across the galaxy for at ...

I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star.

Astronomers suggest the honor should go to an 11th century monk known for a disastrous flying attempt.

C/2024 E1 (Wierzchos) brightened significantly ahead of its close approach to the sun.

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

Interstellar comet 3I/ATLAS is now barreling away from the sun, never to return to the solar system. There's one more chance ...

Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...

The British astronomer and mathematician Edmond Halley was not, after all, the first to understand the cycle of the comet ...

Comet 3I/ATLAS, only the third interstellar object ever observed, is making its final pass through our skies, offering a rare ...

A delay in one European Space Agency mission is creating an opportunity for an earlier, and more capable, launch for another ...