“I have no clue if there are aliens out there,” concedes Douglas Vakoch, director of METI International, an organization committed to contacting extraterrestrial intelligence. But he is certain that ...

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 ...