Dancing in the Dark: Black Holes and Singularity

Paul Sutter, Space.com

I think it's time for everyone to admit that black holes are annoying. Out there, drifting around the galaxy with their much bigger cousins lurking in the centers of those galaxies black holes are the ultimate paradoxes of nature, silently mocking our feeble attempts to understand them.By all accounts, black holes should not exist, and for a long time, they were shrugged off as mere mathematical artifacts an annoying bug in the otherwise elegant machinery of general relativity.