Interstellar comet 3I/ATLAS, a Manhattan-sized visitor, has scientists intrigued after its close solar pass. Its unusual ...

New photos show that the recently discovered comet C/2025 K1 (ATLAS) developed a surprising golden glow after reaching its ...

This article originally appeared on The Providence Journal: The 'brightest comet of the year' is coming in January. But, it ...

Comet 3I/ATLAS is one of only three interstellar objects ever detected in our solar system. Scientists are working to determine the comet's size and physical characteristics as it passes through our ...

Interstellar object 3I/ATLAS is on the opposite side of the sun from Earth - but several spacecraft are in the perfect position to get a closer look. As 3I/ATLAS warps and grows the closer it gets to ...

There's been a lot of hype and rumours about alien comet 3I/ATLAS lately. So, where is it now, what did it look like when it passed Mars and through its closest distance to the Sun, when will it ...

Comet 3I/ATLAS is just the third observed interstellar object ever witnessed in Earth's solar system. The Gemini South telescope in Chile is the latest observatory to get a glimpse of the object as it ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet 3I/ATLAS was captured on Aug. 27 using one of the telescopes at the ...

Every once in a while, our solar system receives a fleeting visitor from the depths of our galaxy. On July 1, 2025, NASA’s ATLAS telescope in Chile discovered Comet 3I/ATLAS, the third known ...

Spacecraft have revealed that the comet—which one scientist suggests could be an alien spacecraft—is now "distinctly bluer ...