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

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

3I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star. Tune in ...

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 ...

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 ...

Recently discovered Comet C/2025 R3 (PanSTARRS) will make its closest approach to the sun and Earth in late April and could ...

When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.