... Star Atlas . ... Behemoth black hole found in an unlikely place . ... black holes . ... Overfed black holes shut down galactic star-making . ... As the active black hole continues to rev up, the rate of star formation will, in turn, be tamped down in the galaxy. ... The results are the first to demonstrate that black holes suppressed galactic star formation when the universe was less than half its current age. ... Studies of nearby galaxies suggest active black holes can squash star formation. ...