Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

The search for intelligent alien life goes far beyond listening for simple radio signals. This documentary explores how ...

This video explores obscure answers to the Fermi Paradox, asking why the universe seems silent if alien civilizations should be out there. One theory says advanced civilizations may stop expanding ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

For decades, humanity has scoured the cosmos for any signs that we aren't alone in the universe. NASA spacecraft like the twin Voyager probes – launched in the 1970s bearing the iconic Golden Record – ...