Gravitational wave astronomy is reaching maturatirity. In this talk I comment on the
last results from the LIGO and VIRGO collaborations. I will comment on the masses of merging black holes and
the follow up observations of neutron star merger (a.k.a kilonova). I will comment on the impact of kilonoavae on galaxy evolution.
Dark Matter is an unseen sculptor of the Universe. Its presence affects astrophysical objects at different scales. However, its nature is still unknown. Particle dark matter candidates have been proposed explaining the relic abundance, properties, and indicating search strategies. Unfortunately, the null observational results motivate the community to study other candidates and to propose new...