In a hypothetical scenario, small, primordial black holes could be captured by newly forming stars. An international team, led by researchers at the Max Planck Institute for Astrophysics, has now modeled the evolution of these so-called "Hawking stars" and found that they can have surprisingly long lifetimes, resembling normal stars in many aspects. The work is published in The Astrophysical Journal.
The PBS spacetime youtube channel posted a video on this a few weeks ago. https://youtu.be/Q6kJaMf3Lgo