See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A comet called 3I/ATLAS is making its closest approach to the sun today ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...