Astronomers witness vanishing star collapse into a black hole in Andromeda galaxy Astronomers tracked a star in Andromeda as it dimmed and vanished without the usual fiery explosion, offering rare clues to how black holes form. Astrobitica February 12, 2026 (Last updated: February 12, 2026) 1 minute read Astronomers tracked a star in Andromeda as it dimmed and vanished without the usual fiery explosion, offering rare clues to how black holes form. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Jupiter-family comet 41P/TGK slows down and reverses spin after perihelionNext: Unique ‘inside out’ planetary system reveals rocky outer world