Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
In 2023, the IceCube Neutrino Observatory discovered high-energy neutrinos from the Milky Way, an important clue towards understanding the origin of high-energy cosmic rays.
