The imaginary constructions of science fiction fill us with awe at their alien vastness. Which have you explored, and what was the most overwhelming?

The search for alien intelligence is entering a new phase as scientists expand beyond traditional radio signal searches and ...

Scientists updated first contact protocols for 2026, requiring multiple verification steps and UN consultation before announcing alien discoveries or sending replies.

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper.