Scientists were "baffled" by the shape of the clouds, which is unlike anything seen...
More about 'black holes'
Photos show electrons from galaxies about a billion light-years away creating 2 'dancing ghosts'
Marianne Guenot, Business Insider US
A black hole warped space-time so much that astronomers saw flashes of light from its far side
Albert Einstein predicted that black holes warp space-time, and astronomers just saw the...
Einstein thought we'd never detect ripples in space-time. But a new experiment proved him wrong
Albert Einstein predicted that colliding black holes and neutron stars would produce...