The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

NGC 6240 is an ultra-rare example of a galaxy harboring three supermassive black holes (labeled N, S1, and S2 in the inset) near its core. Astronomers believe their presence, crammed into a region ...

During a conference on Monday, Elon Musk addressed concerns from astronomers that his plans for launching a constellation of up to 42,000 satellites into orbit could damage astronomical research. When ...