"We should put all possibilities on the table that it's a rock, a comet, or something else until we get the evidence, the ...

A new telescope built to to track fast-moving space objects caught a comet from beyond the solar system moving across the sky ...

A new interstellar object in the solar system should be investigated for the possibility that it's an alien craft, according ...

A comet that was born in another solar system and could be billions of years old is hurdling through Earth’s solar system — a ...

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

The space rock 3I/ATLAS is only the third confirmed interstellar object discovered by astronomers, following 'Oumuamua and ...

On July 1, astronomers spotted an unusual high-speed object zooming towards the sun. Dubbed 3I/ATLAS, the surprising space ...

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.