"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

A newly discovered object speeding through our solar system could be something far stranger than a comet, possibly even alien ...

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

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...

New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

An ‘interstellar visitor’ spotted drifting into our solar system weeks ago is either a massive dirty snowball or an alien ...

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

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

I/ATLAS isn't just fascinating because it is the third interstellar visitor found in the solar system; new research suggests ...

A team of astronomers recently discovered the traveling space object, just the third of its kind to pass through our solar ...