The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took ...

There were no 'technosignatures' from comet 3I/ATLAS, the third known object from a faraway star The group leading the charge ...

Scientists have searched one of the only known visitors to us from another solar system for signs of alien technology – and ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to ...

For decades, the search for extraterrestrial intelligence has been guided by one hopeful assumption: somewhere in the galaxy, ...

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...

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.