Nobel Prize in Physics awarded for discovery of astrophysical neutrinos at IceCube Observatory
University of Wisconsin researcher Francis Halzen received the prize for his decisive contribution to building the IceCube neutrino observatory.
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The 2026 Nobel Prize in Physics was awarded for a "decisive contribution" to building the IceCube neutrino observatory and the discovery of high-energy neutrinos of astrophysical origin, Kommersant reports.
The award goes to University of Wisconsin researcher Francis Halzen, whose work on the IceCube project made it possible to detect neutrinos arriving from deep space, rather than only from Earth's atmosphere or the Sun.
The IceCube Observatory is located at the South Pole and consists of a detector embedded deep within the Antarctic ice, designed to register rare neutrino interactions with matter. Thanks to its design, the observatory can capture particles that have passed all the way through the Earth.
The discovery of high-energy astrophysical neutrinos is considered a major achievement for astrophysics, as it opens up a new way of observing extreme cosmic processes that cannot be studied using electromagnetic radiation alone.
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