People were allegedly advised to call the United Nations' "alien communications specialist" if they made contact with extraterrestrial life.

For decades, scientists have searched the cosmos for evidence of intelligent life beyond Earth. A new study suggests that if extraterrestrial civilizations have attempted to communicate with us, there ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...