The most energetic cosmic neutrino ever observed has been detected: what is it and how will it help us understand the Universe? Science and Technology | 12/02/2025
![The interior of the KM3NeT detection module that was sent to the Mediterranean seabed.](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)
