In a galaxy far, far away, two black holes have been spotted, trapped in a gravitational dance that can only end when they collide and merge as one. Continue reading →
There's small black holes and supermassive black holes, but where are all the medium-sized black holes?
A powerful NASA space telescope has found not one, but 10 monster black holes lurking in the hearts of distant galaxies.
News about black holes is usually accompanied by some fun description of them eating stuff. But the supermassive behemoth at the center of NGC 253 has become a little... sleepy. Continue reading →
Our typically mild-mannered black hole recently flared up, and NASA's new X-ray space telescope saw all the action.