A radio signal nearly 9 billion light-years away from Earth was captured in a new recording, detected by India's Giant Metrewave Radio Telescope. McGill University said in a release that this marked ...

Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real ...

Best known for its appearances in desert-island cartoons, maritime movies and earworms by ABBA and Rihanna, the word SOS has been used as a code for emergency distress signals since 1905. If you’re ...

We all check how many bars we have on our smartphones and assume it’s an accurate guide to how strong our signal is. But what do those bars really represent? “There’s no standard. They do indicate ...

In face-to-face conversations, speakers use hand movements to signal meaning. But do listeners actually use these gestures to predict what someone might say next? In a study using virtual avatars, ...