Astronomers have just discovered the biggest explosions since the Big Bang - Astronomers have just uncovered the most powerful explosions since the Big Bang — Extreme Nuclear Transients. Captured by the Gaia space telescope, these rare cosmic events are caused by supermassive black holes ripping massive stars apart, releasing more energy than 100 Suns. One was so intense, it was nicknamed Scary Barbie. This is stellar death… at its most violent. | The Brain Maze