Humans might not know of any intelligent beings beyond Earth, but if they exist, they might already know about us. New research shows that radar systems at commercial and military airports are inadvertently announcing our presence to any aliens with the ability to listen. Preliminary results from a study led by Ramiro Caisse Saide, an […]
Scientists Are Creeping Closer to Colorized Black Hole Images
Black holes are infamous for being invisible. But thanks to a new technique from the Event Horizon Telescope (EHT) team, we’re about to start seeing them in color. Astronomers have figured out a way to observe the radio sky in multiple frequencies at once, allowing them to create full-color images of supermassive black holes. The […]