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 ...

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

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.

Appeals to Khalil’s free speech rights are meritless. A green card is not synonymous with citizenship, though many seem to ...

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 ...

The project aims to scan the night sky to search for an unmistakable "smoking gun" proving the existence of an extraterrestrial civilization.

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 ...