The spins of some early galaxies could be a clue that the entire observable universe exists within a black hole—except, that ...
This galaxy's central black hole appears to be a "messy eater" as its interstellar scraps are strewn into space.
Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in ...
Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in ...