Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

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

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

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

However, we might also want to look for hints of alien origin. One very strong piece of evidence would be any kind of radio ...

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

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

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

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New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...

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

A controversial new study suggests that 3I/ATLAS, a fast-moving interstellar object, could be an alien spycraft posing a ...