The latest interstellar visitor to sweep through our solar system has already delivered a surprise: in one key image, a ...

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

Interstellar objects used to be the stuff of theory problems and science fiction, but 3I/ATLAS has pushed them squarely into the realm of public anxiety. As another visitor from beyond the solar ...

We know of three interstellar objects (ISO) that have visited our inner solar system. Oumuamua was the first one, and it came and went in 2017. 2l/Borisov, an interstellar comet, was next, appearing ...

On its tenth anniversary, Christopher Nolan’s Interstellar is back in cinemas, showing on 70MM IMAX screens. Cue your sobbing Matthew McConaughey memes. As stooped in science as it was in raw emotion, ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. The comet known as 3I/Atlas will hurtle within 18 million miles ...

3I/ATLAS is only the third interstellar object ever detected. It poses no threat to Earth. The comet is currently dim, requiring a telescope to see. It will be closest to the sun in late October.

Interstellar object 3I/ATLAS continues to fascinate astronomers as it rips through our solar system. And the more we find out about the object — widely suspected to be an icy comet — the more ...

Explore the interstellar medium here, with our ultimate guide. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Interstellar space is the area ...

It's not that every episode isn't special. It's just that this weekend's episode of Showrunner Russell T. Davies's Ncuti Gatwa and Varada Sethu-starring Doctor Who is really special – especially if ...