Recent research suggests that galaxies with high radio emissions—known as “radio-bright” galaxies—could be home to alien civilizations. This idea, explored in Brian C. Lacki’s study Artificial ...

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

The Fermi Paradox ponders an endlessly fascinating question: If so many worlds exist in the universe, why haven’t we detected any sign of extraterrestrial life? A possible reason, called the ...

For decades, the search for extraterrestrial intelligence has largely been predicated on a specific assumption: that advanced civilizations will inevitably grow, expanding their energy consumption and ...