Here's a new story and paper published. It contends that black holes may not have a singularity at their heart as popularly believed, and instead they might be full of dark energy. If so it explains some things. As the authors said:
"If what we thought were black holes are actually objects without singularities, then the accelerated expansion of our universe is a natural consequence of Einstein's theory of general relativity," said Kevin Croker, an astrophysicist at the University of Hawaii at Mānoa.
New Article - https://www.livescie...-not-exist.html
Paper (highly technical) - https://iopscience.i...4357/ab32da/pdf