The first few years of the 2020s have seen the debate over whether humanity is alone in the universe evolve from a ...

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

NASA has worked on its own first contact protocols, conducting a 2024 workshop event about how best to communicate the ...

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.

Whether aliens could detect our modern civilization depends on what signs they’re looking for—and, crucially, their distance ...

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

Mixed Signals,” by Rebecca Charbonneau, explores an unusual period of Soviet-U.S. cooperation in the hunt for aliens.