  Observations of cosmic rays are a sensitive probe of dark matter annihilation
in our Galaxy. In this article we present an analysis of the AMS-02 antiproton
data, reducing cosmic-ray propagation uncertainties by fitting at the same time
dark matter and propagation parameters. The result exhibits a possible hint for
dark matter pointing to an annihilation cross section close to the thermal
value. We investigate the compatibility of this signal with a dark matter
interpretation of the Galactic center excess seen in the Fermi-LAT gamma-ray
data and discuss implications for dark matter models.
