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After half a century of confusion, scientists finally discovered why a giant star in Cassiopeia flickers with mysterious X-rays. The answer reveals a rare cosmic pairing that rewrites our understanding of how stars evolve together.
The James Webb Space Telescope captured the most detailed images ever of a dying star in the Helix Nebula, showing how death in space becomes the building blocks for future planets. The stunning photos reveal thousands of comet-like gas tails swirling in gold and orange as a white dwarf star sheds the material that will one day form new worlds.
Scientists just discovered powerful flares from dying stars near our galaxy's center using a telescope at the South Pole. It's the first time anyone has spotted these rare stellar outbursts in millimeter wavelengths, opening a new window into the Milky Way's most crowded neighborhood.