The paper presented several anomalous characteristics of the object, which could indicate that it is not a comet at all but instead a directed craft.

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

Stars are the fundamental building blocks of our universe. Most stars host planets, like our sun hosts our solar system, and ...

Irregular pulsing behavior from an enigmatic star system has physicists scratching their heads—but they’ve got some guesses as to why it occurs.

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

For lovers of newly identified space objects, July has indeed been an exciting month. Last week, astronomers described ...

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

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Astronomers have discovered "Ammonite," a mysterious object on the solar system’s edge whose unusual orbit challenges current ...

Standard features of the Blank Slate emphasize occupant safety. There are up to eight airbags, a back-up camera, forward ...

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

A team of astronomers discovered a strange object in the outer solar system that is in a resonant orbit with Neptune.