NEW YORK — Dolly Parton has announced a nationwide search for the actress who will play the country queen in the upcoming Broadway musical based on her life. The Rock & Roll Hall of Famer, 78, put out ...
AT 2021hdr is a binary supermassive black hole (BSMBH) system in the center of a galaxy 1 billion light-years away, in the Cygnus constellation. In 2021, researchers observing it using NASA’s Zwicky ...