On left, this composite simulated image shows how M87* is seen by the Event Horizon Telescope at 86 GHz (red), 230 GHz (green), and 345 GHz (blue). On right, 345 GHz is seen in dark blue ...

The Changing Shadow of M87* In 2019, the EHT collaboration released the first-ever image of a black hole, a “fiery doughnut” ...

The superheated energy beam appears to be causing nearby star systems ... By pointing Hubble near the M87 jet, the researchers found that twice as many novas were erupting in star systems near ...