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

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, speeding through our celestial neighborhood.

Object 3I/ATLAS will make close approaches to Jupiter, Mars and Venus, which could allow aliens to stealthily plant spy ...

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

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

Nearly a month ago, a mysterious object was seen hurtling through the solar system and later confirmed as an interstellar ...

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

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

A controversial new study claims that a ‘hostile’ alien spacecraft could attempt to attack Earth in November. Scientists say ...

First detected on July 1, 3I/ATLAS has a velocity and trajectory that break the mold of typical solar system behavior. Its ...

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

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