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

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

"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 ...

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

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 ...

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

The Vera C. Rubin Observatory, equipped with the largest digital camera for astronomy, was the first to spot the interstellar object 3I/ATLAS before its official discovery.

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

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

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