Abstract
Since 1987, astronomers and physicists from different domains have been awaiting for the next supernova explosion in our Galaxy. Core collapse supernovae (CCSN) are among the most precious multi-messenger (MM) events of the extreme Universe. These events are extremely rare, and it will be crucial to gather all the physics possible from the data of the next event. The SNEWS public alert system was designed with the aim of providing an early alert to astronomers and other observers about the observation of neutrinos from a Galactic CCSN, which are produced minutes to hours before the electromagnetic radiation. SNEWS has been operating for more than two decades, searching for a coincident signal between neutrino experiments from all around the world. In the current era of MM astrophysics, there are new opportunities for SNEWS to optimize the science reach from the next Galactic supernova beyond the simple early alert. In this talk, the upgrades and new capabilities of SNEWS2.0 will be discussed.
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