An interstellar comet has shattered speed records as it hurtled through our solar system, captivating astronomers and ...

The interstellar object 3I/ATLAS just flew by the Sun, but unlike most comets, it didn't leave behind a tail or any visible debris. Astronomers in Spain caught images of only a compact glow—no classic ...

A mysterious interstellar visitor has emerged from behind the sun, glowing in a way that has left scientists stunned. The comet, which is not visible from terrestrial telescopes, appears to have ...