Here s how gravitational lensing will help study the inside of black hole - The proposed imaging technique will help researchers detect a black hole smaller than M87, which is 6.5 billion times more massive than the Sun.
How the black hole may have reversed its entire magnetic field - Black hole does not have its own magnetic field, but plasma and charged particles revolving around it produce an electric current and magnetic field.
NASA satellite spots rare ‘magnetic flip’ of monster black hole, here’s what it means - A monster black hole just “flipped” its magnetic poles in a rare phenomenon, and NASA spotted it all through the Swift Satellite.