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

Astronomers swept millions of candidates and found no alien signals from K2-18b, setting the first power limit on any ...

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

Astrobiologists are raising concerns that humanity’s search for alien life may be limited by the very tools designed to find it.