Science

Scientists say a forgotten particle may explain why the universe exists

Scientists believe this forgotten neutrino reshaped the early universe and may have left detectable gravitational wave signals that could help unlock the cosmos’s deepest mysteries.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 1, 2026, 4:33 AM UTC

A mysterious particle overlooked for decades may hold the key to why matter survived the Big Bang, allowing stars, planets, and life to exist.

How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →

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