The discovery of supernova (SN) 1987A has led to the rise of a new branch in astronomy and astrophysics which is solely devoted to this object. In this proceedings book, all aspects of the broad SN 1987A research topics are covered and all observed wavelength regimes are discussed. The proceedings book further includes other SNe of all types, SN cosmology and Gamma-Ray Bursts (GRBs), with emphasis on SN/GRB connections. This volume will is for all those interested in astronomy.