The IceCube neutrino observatory is the largest neutrino telescope in operation. IceCube has discovered an astrophysical diffuse isotropic flux of neutrinos. The nature of the source class or classes responsible for these neutrinos remains unknown. In this presentation, I will summarize the current status of high-energy (>TeV) neutrino astrophysics, including the observation of the astrophysical diffuse flux, the search for neutrino source candidates and a summary of the next generation instrument: IceCube-Gen2.
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