It’s officially the third known interstellar object to pass through our solar system and poses no threat to Earth.

This diagram shows the trajectory of interstellar comet 3I/ATLAS as it passes through the solar system. It will make its closest approach to the sun in October. (NASA/JPL-Caltech) ...

Such is the case with 3I/ATLAS, a third known interstellar object from outside of our solar system to be discovered, which ...

A diagram shows the projected trajectory of the interstellar comet 3I/ATLAS, labeled C/2025 N1 here, as it travels through our solar system. NASA/JPL-Caltech ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...