  The past few years have seen several breakthroughs in particle astrophysics
and cosmology. In several cases, new observations can only be explained with
the introduction of new fundamental physics. In this talk I summarize some of
these recent advances and describe several areas where progress may well be
made in the future. More specifically, I focus on supersymmetric and axion dark
matter, self-interacting dark matter, cosmic-microwave-background and
large-scale-structure tests of inflation, and the dark-energy problem.
