An interstellar visitor is speeding through the solar system, and within weeks, astronomers hope to learn whether it's a natural wanderer or something far more extraordinary. The ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

A mysterious space object named 2023 KQ14, nicknamed “Ammonite,” challenges theories about the mysterious and possible Planet ...

The enigma of the intruder about the same size as Manhattan Island is making astronomers rethink what they know about cosmic ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our solar system—only the third ever spotted, though scientists suspect many more may slip past unnoticed. The ...