Astronomers observe a star that quietly transformed into a black hole
World 13:00 13/02/2026WASHINGTON - The formation of a black hole can be quite a violent event, with a massive dying star blowing up and some of its remnants collapsing to form an exceptionally dense object with gravity so strong not even light can escape. But, as new observations indicate, the process sometimes can be a rather quiet affair.
Fumitaka Sato, who contributed to black hole research, dies at 87
World 16:23 18/09/2025TOKYO -- Japanese theoretical physicist Fumitaka Sato, known for his contributions to unraveling the mystery of black holes, died of bacterial pneumonia at a hospital in the western city of Kyoto on Sunday. He was 87.
New type of supernova detected as black hole causes star to explode
World 11:05 15/08/2025WASHINGTON -- Astronomers have observed the calamitous result of a star that picked the wrong dance partner. They have documented what appears to be a new type of supernova, as stellar explosions are known, that occurred when a massive star tried to swallow a black hole with which it had engaged in a lengthy pas de deux.
