IceCube is built on decades of research into tiny ‘ghost particles’ – but it was the first to find neutrinos coming from deep space

By Doug Cowen, Professor of Physics and Professor of Astronomy and Astrophysics, Penn State, The Conversation · October 8, 2026

IceCube looks for high energy neutrinos from space. It joins the ranks of complementary experiments that study neutrinos originating closer to home.

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