Initially, it was given the provisional code "A11pl3Z", then named "C/2025 N1 (ATLAS)", and finally designated "3I/ATLAS". The prefix "3I" indicates that it is the third interstellar object ever ...

A Manhattan-sized interstellar comet, named 31/ATLAS, was spotted blazing through our solar system – marking only the third time a mysterious object from beyond our cosmic neighborhood has been ...

The comet, recently designated 3I/ATLAS, was first observed on July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System telescope in Rio Hurtado, Chile. At the time of its unexpected ...

The comet, designated 3I/ATLAS, will pass inside the orbit of Mars sometime in October, at a closest distance of about 130 million miles from the sun. There is no threat to Earth.

Astronomers have discovered an interstellar object speeding through our Solar System. Named 3l/ATLAS, the comet is estimated to be around six-12miles in length and is travelling at over sixty ...