Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

Astronomers are monitoring an object headed our way that may have wandered over from another star system.Scientists have discovered what might be only the third known interstellar object to pass ...

The Haleakala Observatory, left, houses one telescope for the ATLAS system. That system first spotted the object 3I/ATLAS, which isn't visible in this image. AP Photo/Lindsey Wasson All of our ...

CAPE CANAVERAL, Fla. (AP) — NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this ...

Astrophysicists are mapping a vast, hidden structure in space that appears to guide matter and radiation along a kind of ...

Astronomers may have just discovered a new interstellar object passing through our solar system. The object, a celestial body from another star system, was discovered on Tuesday by the University of ...