Astronomers hear a mysterious ‘hum’ across the universe; one explanation begins with strange dark stars 13 billion years ago
Astronomers may have found a new way to investigate one of the biggest mysteries in cosmic history: how the Universe’s first supermassive black holes were born. A faint gravitational-wave “hum” detected through networks of pulsars could contain clues about objects that existed more than 13 billion years ago. A new study by researchers at Colgate…