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Today — 15 December 2025Main stream

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JWST Catches Record-Breaking Planet Sprouting Two Enormous Tails 15 December 2025 at 06:05

JWST Catches Record-Breaking Planet Sprouting Two Enormous Tails

15 December 2025 at 06:05

illustration of exoplanet WASP-121b, or Tylos, with its double helium tail spanning nearly 60 percent of its orbit around its parent star. Tylos is one weird world.