Black holes ruled out as universe’s missing dark matter

For one brief shining moment after the 2015 detection of gravitational waves from colliding black holes, astronomers held out hope that the universe’s mysterious dark matter might consist of a plenitude of black holes sprinkled throughout the universe. UC Berkeley physicists have dashed those hopes.
Read more: http://news.berkeley.edu/2018/10/02/black-holes-ruled-out-as-universes-missing-dark-matter/?source=Snapzu