Fast-moving stars zooming through our galaxy might have been slingshotted from a black hole inside the neighbouring Large ...

This is also unprecedented behavior for a black hole. If these weird episodes are the result of an orbiting white dwarf, a type of stellar remnant left behind when a star with around the mass of ...

Rather than succumbing to star-shredding tidal forces, such a white dwarf would instead trickle-feed a small fraction of its matter to the black hole. This could offset the orbital energy being ...