String theory and loop quantum gravity propose that black hole singularities may be eliminated, leading to speculation about the interior of stellar-sized black holes. Some researchers suggest that these interiors could contain a new ultra-dense state of matter or a "spacetime foam" at the Planck scale. Various papers have been published on this topic, indicating a shift in understanding away from traditional singularity concepts. Recent discussions at the APS meeting highlighted that while singularities are likely eliminated, the precise nature of black hole interiors remains uncertain. The ongoing research continues to explore these complex ideas, indicating a need for further investigation into the quantum aspects of black holes.