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'Previously Unimaginable': James Webb Telescope Breaks Own Record Again, Discovering Farthest Known Galaxy in the Universe

MoM-z14, confirmed by JWST, is 100 times brighter than expected and provides new insights into galaxy formation just 280 million years after the Big Bang.

  • On Wednesday, astronomers announced MoM-z14 as the farthest detected, confirmed using NASA’s James Webb Space Telescope instruments, setting a new cosmic record.
  • Amid improving Webb observations, researchers say the finding helps probe why early galaxies are so bright and challenges theoretical models, revealing clues while leaving more mystery for the James Webb Space Telescope.
  • Using James Webb Space Telescope's Near-Infrared Spectrograph, astronomers measured MoM-z14's redshift at 14.44, its light traveled more than 13 billion years, and Webb first spotted it last year as a compact, luminous galaxy about 50 times smaller than the Milky Way galaxy.
  • NASA said it expects the James Webb Space Telescope record to be surpassed as observations improve, while researchers like Yijia Li urge additional follow-up to better understand early galaxies.
  • The discovery places MoM-z14 among early galaxies 100 times brighter than theoretical galaxy-formation models, with Webb data supporting the supermassive stars hypothesis producing high nitrogen.
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Objects like the discovered galaxy have revolutionized scientists' understanding of the early universe.

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Scientific American broke the news in on Wednesday, January 28, 2026.
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