WASHINGTON, Nov 12 (Reuters) - The explosive death of a star - a supernova - is among the most violent cosmic events, but precisely how this cataclysm looks as it unfolds has remained mysterious.

The supernova is one of the most powerful events in the universe, a star exploding in a brilliant flash. But could humans ever trigger such an event? Theoretically, it would require manipulating a ...

Sixteen years ago, theoretical astrophysicists at UC Berkeley and elsewhere proposed that highly magnetized, spinning neutron stars — magnetars — were the power source behind some superluminous ...