A black hole merger produced a behemoth over 225 times the mass of our sun. - Mark Garlick / Science Photo Library / Getty Images illustration The result is a colossal cosmic object about 225 times ...
African American astronaut Mae Jemison, left, smiles as suit technician Sharon McDougle performs an unpressurized and pressurized leak check on her spacesuit prior to the STS-47 Spacelab-J mission on ...
Astronomers have detected the signal of a colossal black hole in deep space that likely formed when two already-large black holes crashed into each other billions of light-years away. The result is a ...
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