Black holes could be space-time tangles, study finds.

Physicists have proposed that stable imperfections in the structure of space-time, known as topological solitons, could mimic black holes. These solitons could be found all around the universe and could help us understand quantum physics. The researchers found that rays of light passing near a soliton would behave almost the same way as they would around a black hole, but solitons do not have event horizons, so you could get as close as you wanted and leave if you wanted to. The discovery of topological solitons would be a major insight into the nature of gravity, quantum physics, and string theory.