Extreme nuclear transients are 10 million times rarer than supernovae and emit the same amount of energy as 100 Suns.

In the heart of distant galaxies, astronomers have witnessed the most violent stellar death throes ever recorded.

Astronomers discovered a new class of cosmic explosions known as "extreme nuclear transients" that are the most powerful ...

Astronomers at the University of Hawaii uncovered black hole events so packed with energy, they were the biggest explosions seen since the Big Bang.