Astronomers have found a monster galaxy causing trouble in the early Universe. When the Universe was just 1.8 billion years old, galaxy XMM-2599 was already a colossal chonker. It was also already dead as a doornail. Sometime between the Big Bang (13.8 billion years ago) and 12 billion years ago, it had ballooned out in a burst of star formation - and then completely stopped. "Even before