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

Is it possible that potential alien life may uncover one of Earth's Hot 100 Top 10 numbers? Read more about the options and ...

On a hot November day in the tropical forest of Arecibo, Puerto Rico, amongst the croaking of coquís, the message went out. Warbling audio crackled over loudspeakers—the audible result of the work of ...

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 ...