The researchers who scan the skies for radio signals from extraterrestrials are now rethinking their approach.

SETI has spent decades listening for a sharp, well-defined radio signal that could indicate it was sent by distant intelligent life. Now researchers believe that space weather could distort and blur s ...

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." ...

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

WASHINGTON — President Donald Trump said Thursday that he's directing the Pentagon and other government agencies to identify and release files related to extraterrestrials and UFOs because of ...

President Donald Trump said Thursday that he's directing the Pentagon and other government agencies to release files related to extraterrestrials and UFOs because of "tremendous interest." WASHINGTON ...