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James Webb Space Telescope Discovers Hot Jupiter With Helium Tails: What WASP-121b Reveals About Planetary Death

Summary by BreezyScroll
The James Webb Space Telescope (JWST) has spotted something astronomers have never fully seen before: a giant exoplanet trailing two enormous tails of helium, stretched out like a cosmic comet. The planet, known as WASP-121b or Tylos, is an ultrahot Jupiter so close to its star that its atmosphere is literally boiling away into space. What makes this discovery remarkable isn’t just the dramatic visuals. For the first time, scientists have tracke…
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BreezyScroll broke the news in on Monday, December 15, 2025.
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