Experts confirmed the discovery of a rare interstellar visitor—only the third ever detected—hurtling through our Solar System ...

A new study claims a mysterious object the size of Manhattan could be a hostile alien spacecraft that may attack Earth.

Serendipitously, the Rubin Observatory collected imaging in the area of the sky inhabited by the object during regular ...

Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar ...

A newly discovered interstellar comet may be carrying the oldest water in the universe — and it's now passing through our ...

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for ...

The Vera Rubin telescope is poised to kick off an explosive era of discovery. "It's like old-fashioned astronomy: Find the ...

New Moon means dark skies — and your chance to try photographing interstellar interloper 3I/ATLAS moving against the ...

A mysterious new interstellar object, 3I/ATLAS, was discovered in July. It turns out that wasn't the first time our ...

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

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 ...