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

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 ...

In the 2016 movie Arrival, water-dwelling extraterrestrials make an appearance on Earth. The main human character’s job is to learn how to communicate with the seven-tentacled extraterrestrials before ...