What the extinction of a massive star teaches us about the origin of black holes
Astronomers explain how a massive star in the Andromeda galaxy transformed into a black hole without a typical supernova explosion.
The Silent Death of a Star: Did Astronomers Overlook the Birth of a Black Hole?
Astronomers may have missed a significant cosmic event in the Andromeda Galaxy where a massive star collapsed into a black hole without the expected supernova explosion.
Seven hours that changed the universe. Astronomers captured a record explosion for which they have no explanation
Astronomers have observed the longest gamma-ray burst ever recorded, lasting an astonishing seven hours, potentially indicating a new type of stellar explosion caused by a black hole swallowing a star.