On February 12, 2025, The KM3NeT Collaboration has announced the detection from the abyss of the Mediterranean Sea of a cosmic neutrino with a record-breaking energy of about 220 PeV.
More information can be found in the:
- Nature publication: “Observation of an ultra-high-energy cosmic neutrino with KM3NeT”
- Press release
- Popular information
- Press kit (including pictures, videos, infographics, event displays)
- Webinar
Additionally, 4 companion papers have been published on arXiv:
- The ultra-high-energy event KM3-230213A within the global neutrino landscape
- On the potential cosmogenic origin of the ultra-high-energy event KM3-230213A
- Characterising Candidate Blazar Counterparts of the Ultra-High-Energy Event KM3-230213A
- On the Potential Galactic Origin of the Ultra-High-Energy Event KM3-230213A
