The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

The newest visitor is 416 million miles (670 million kilometers) from the sun, out near Jupiter. NASA said the comet will ...

We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...

The comet is the third known interstellar object to pass through our solar system and is expected to make its closest ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object we've discovered.

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.