New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

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.

The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

Those pesky space aliens are at it again … or I should say, conspiracy theorists’ hopes, dreams, fantasies and wish fulfillment, along with a combination of government reluctance to give adversaries ...

SETI might not have succeeded in finding alien life yet because space weather around other stars could be disrupting aliens' attempts to send radio messages out, according to a new study that tries to ...