02 July 2026

A particle detected at the South Pole was born in a galaxy that churned out stars when the Universe was young.

A massive galaxy (red blob at centre) in the foreground serves as a lens that distorts the more distant galaxy, nicknamed Shadow Blaster (yellow curves), behind it. Credit: International Gemini Observatory/NOIRLab/NSF/AURA/ALMA (ESO/NAOJ/NRAO) (CC-BY-4.0)

The hunt for the source of a single neutrino has led to the discovery of an unusually bright early galaxy 3.4 gigaparsecs (11 billion light years) away1.

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