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

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

The comet should remain viewable through telescopes until September as it approaches the Sun, then emerge again in December on its outbound leg.

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

Comet 3I/ATLAS was discovered on July 1. “It came from outside our solar system and right now, it's inside the orbit of ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth -- but closer to the red planet than us at a safe 150 million miles (240 ...