Why it is in the news
On 6 October 2026, the Royal Swedish Academy of Sciences awarded the Nobel Prize in Physics 2026 to Francis Halzen, 82, a Belgian-born physicist at the University of Wisconsin–Madison (US), “for decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin”. IceCube is a detector built inside the Antarctic ice sheet at the South Pole.
The exam angle
Issue: The 2026 Physics Nobel recognises neutrino astronomy as a mature discipline, raising the question of how nations, including India, build and sustain frontier research infrastructure.