A shocking CIA document has just raised doubts that the mysterious interstellar object is really a comet like NASA has ...

Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.

Scientists used the world's largest single-dish radio telescope to scan comet 3I/ATLAS for signs of extraterrestrial life, but found no artificial radio emissions.

Discovered in July, 3I/ATLAS is not your average comet – it’s a giant snowball from beyond our solar system. The comet, ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

The observations were carried out by the Breakthrough Listen program as the object neared its closest approach to Earth on ...

For now, the alien spacecraft theory remains unproven. Advocates insist that more studies and evidence are needed before they ...

Harvard astrophysicist Avi Loeb is one of the biggest proponents of the theory that the comet was sent by an alien ...

Interstellar comet 3I/ATLAS sheds millions of tons of water as it leaves our solar system. New radio scans find no signs of ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Uri Geller alleges NASA is hiding alien remains tied to interstellar comet 3I/ATLAS, sparking debate amid scientific evidence that the object is a natural comet.