NASA’s Hubble telescope has recently discovered a supermassive black hole that defies existing theories about the universe, a report said. The black hole, which is about 250 million times heavier [more massive] than the sun, lies at the heart of the spiral galaxy NGC 3147 and is 140 million light-years from Earth. The Hubble telescope has detected a supermassive black hole that technically shouldn't exist, according to new findings. Spotted around the black hole was a thin “accretion disk” containing debris and gas rapidly pacing around the edge, according to findings published Thursday in the journal Monthly Notices of the...