For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

For decades, the search for extraterrestrial intelligence has been defined more by silence than discovery, but that balance may be starting to shift. As new telescopes, algorithms, and theoretical ...

In 1950, famed astrophysicist Enrico Fermi posed a profound question during a casual lunch with colleagues: Where is everybody? In other words, if there’s an extremely high probability that advanced ...