This week, astronomers here on Earth, as well as a collection of NASA spacecraft, are treating us to amazing new views of alien comet 3I/ATLAS. The latest interstellar visitor to swing through our ...

Disclosing government documents about UFOs won't mean much without hard physical evidence for alien spaceships or alien bodies.

NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of speculation — and a full-blown online debate — over whether it could be an alien ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. NASA released a GIF of comet 3I/ATLAS captured by the PUNCH mission between Sept. 28 and Oct. 10.