Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. It came from outer space.

A computer-generated picture of 3I/ATLAS. China's Tianwen-1 Mars orbiter has become the first spacecraft to capture and release a close-range image of the interstellar object 3I/Atlas, ahead of NASA ...

A major international effort has produced detailed images and chemical data on interstellar comet 3I/ATLAS, revealing its nucleus size and unusual gas composition as it leaves our solar system.