Although no aliens were found, the results have helped constrain expectations of possible alien transmitter power. When you purchase through links on our site, we may earn an affiliate commission.

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien signals entirely, a new study finds. Since the very beginnings of the search ...

Just over 40 years ago, in his novel Contact, astronomer Carl Sagan imagined what it would be like to detect radio signals beamed from other intelligent lifeforms in the galaxy. In the story, these ...

A search of more than 1,300 galaxies for extraterrestrial signals has helped to constrain expectations as to how many communicating, technological civilizations may exist beyond Earth. Conducted with ...