Some of the most tantalizing hints in the search for extraterrestrial intelligence have not been messy or chaotic, but eerily ...

When interstellar object 3I/ATLAS was scanned for alien technology, scientists ran the most sensitive search ever attempted.

Interstellar visitor 3I/ATLAS has just been subjected to one of the most sensitive alien-technology checks ever mounted on a ...

Even though these characters only appeared in a single episode of a "Star Trek" series, they left an unforgettable mark on ...

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...