Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

The object is likely a 12-mile wide asteroid or comet from way, way out of town that just happens to be passing through our ...

A11pl3Z's eccentricity is now estimated to be near 6.0, the highest seen yet, confirming its hyperbolic orbit.

With advancement of space tech, photographs clicked from space over the years illuminate distant worlds in stunning detail.