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

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

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

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

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

On July 1, 2025, astronomers caught sight of a mysterious object racing through the solar system. This object, now named ...

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

The announcement came via a Bluesky post by an astrophysics undergraduate, who shared, "Hubble Space Telescope images of ...

Loeb points to several unusual traits that set 3I/ATLAS apart from typical comets. "The retrograde orbital plane of 3I/ATLAS ...

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

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