Astronomers, for the first time, believe they have witnessed the birth of a black hole. The black hole is believed to be a remnant of a supernova, 50 million light years from Earth, which was spotted by an amateur astronomer in 1979. NASA announced this on Monday. According to NASA researchers, although the information they have collected is consistent with the birth of a baby black hole, they cannot rule out other possibilities. "If our interpretation is correct, this is the nearest example...