An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

Interstellar comet 3I/ATLAS, third visitor to our system, is pure ice—no technosignatures, says NASA on 19 November 2025.

I/ATLAS: NASA has released close-up images of the interstellar comet 3I/ATLAS, captured by multiple spacecraft and telescopes ...

NASA has released stunning new images of interstellar comet 3I/ATLAS, revealing fresh details about its structure, its ...

On July 1, 2025, the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, “first reported observations of a comet that originated from interstellar ...

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

Agency officials said data showed nothing unusual about Comet 3I Atlas despite weeks of speculation that it was a UFO.

Comet 3I/ATLAS was discovered on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS). Its previous best ...

WASHINGTON >> NASA released fresh images today of the interstellar object called 3I/ATLAS that astronomers have determined is ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a ...