ScienceNuSTAR Spies 'Biggest And Baddest' Black Holes Hiding Behind Gas And Dust Finding of previously hidden supermassive black holes suggests millions more may exist but are cloaked and invisible, astronomers say. NASA space telescope has managed to bring some of them out of hiding.by Jim Algar
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SciencePhilae Lander Might Have Close Encounter With Microbial Alien Life On 67P/Churyumov-Gerasimenkoby Ted Ranosa
ScienceScientists Discover Five Monster Black Holes And Hint There Could Be Millions Of Themby Jill Arce