High‐Energy Astrophysics

High-energy astrophysics, or astroparticle physics as it is sometimes called, is a vibrant and active research field that has many connections to other branches of physics and astronomy. I review 3 topics of current interest in high-energy astrophysics: the origin of cosmic rays at GeV-TeV energies, the origin of higherenergy particles near 1017 eV, and the hunt of dark-matter signatures in cosmic ray data.