Astronomers continue to track the third-ever discovered interstellar object, comet 3I/ATLAS, as it moves through our cosmic ...

Astronomers track new interstellar object coursing through our solar system More observations are needed to confirm the object's origins ...

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar object to pass through our solar system.

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar object to pass through our solar system.