Image credit: Interstellar/R. Hurt/CALTECH My entire life researchers have been asking, are there blackholes in the hearts of dwarf galaxies and globular clusters? We know they lurk in the centers of large galaxies, and their sizes are proportional to the sizes and motions of the spheroids of stars they occupy. It has long been hoped that the relationship would extend down to smaller spheres of stars, but we just haven't been able to find any evidence… until now. As the story goes so far, astronomers have found binary star systems where only one star is visible and its motions indicate an...