Although the movie’s participants refuse to disclose classified information, some of their statements elicited “audible gasps ...

Many biological molecules are chiral, meaning they exist in two forms that are mirror images of each other, like left and ...

SXSW: The 34 military and intelligence veterans interviewed about their knowledge of alien encounters offer the most ...

Hunting for alien civilizations isn't a matter of just waiting around for them to show up; it's the business of combing through enormous volumes of data to look for peculiar signals.

For over 100 years, scientists have been hell-bent on talking to aliens, and new technology could give that hunt a boost.

If an alien civilization could reach Earth, the transparent ability to travel light years would mean the aliens would already be vastly superior to us technologically. These aliens would be so ...

That could very well be an alien civilization sending us a "What's up?" across the cosmos—21 cm radiation makes for a great calling card. Using 21 cm radiation to communicate with ...