Recent results on SN 1987A

The results from observational studies of SN 1987A are reviewed. The evolution of the blue supergiant pre-supernova star is examined, including the composition and core structure of the star and nitrogen enhancements. The study of heavy elements and isotopes in the ejecta is discussed. Also, consideration is given to possible mixing of supernova composition in velocity space, the profiles of observed IR lines and their red-shifted wings, and the question of what happened to the neutron star.