What would be the first sound aliens hear from Earth? This video explores the intriguing possibilities of extraterrestrial ...

Machine-learning algorithms being used to better understand the communication of dolphins could form the basis for understanding aliens — if we ever find them. When you purchase through links on our ...

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 ...