Nobel Prizes in Physics and Chemistry reward neutrinos and asymmetric autocatalysis

The 2026 Nobel Prize in Physics has been awarded to Francis Halzen for his decisive contributions to the IceCube neutrino observatory and for the discovery of high-energy neutrinos of astrophysical origin. Halzen, a Belgian physicist, is a professor at the University of Wisconsin-Madison and principal investigator of the IceCube observatory, located at the South Pole and described in the excerpts as the world’s largest neutrino telescope.

“It’s a great pleasure to learn of this award” (transl. from English) — Francis Halzen, physicist, 2026 Nobel Prize in Physics laureate

The Royal Swedish Academy of Sciences also announced the 2026 Nobel Prize in Chemistry, awarded jointly to Henri Kagan and Kenso Soai for the discovery of nonlinear effects and autocatalysis in asymmetric organic synthesis. The announcement was made by Professor Ellen Moons, Secretary General of the Academy. Soai reportedly expressed great satisfaction at the recognition.

The two prizes concern two distinct strands of basic research: on one hand, particle astrophysics, with the network of sensors buried in the Antarctic ice that allowed Halzen and his team to identify neutrinos coming from distant cosmic sources; on the other, organic chemistry, with Kagan and Soai’s studies on the mechanisms that allow a reaction to amplify a small initial imbalance until it produces a product that is almost entirely of one type of molecule, rather than a mixture of the two possible forms.

For both awards, the news currently comes from a single source (the Royal Swedish Academy of Sciences’ statement, picked up by multiple outlets); no further independent confirmation is necessary, as this is the official announcement from the body awarding the prize.

The full texts of the scientific citations from the two Nobel committees are yet to be published in the coming days, having so far been released only in the brief form announced today from Stockholm.