For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...

Former US President Barack Obama said he’s seen no evidence that aliens have made contact with Earth, clarifying his position on extraterrestrials after comments he made in a podcast went viral.

Brain teasers are a great way to sharpen your thinking and test how carefully you observe details. These puzzles are designed to challenge your attention and focus, because they reveal how quickly the ...