Most Jews would readily agree that angels exist in Judaism -- they are mentioned in many places in the Chumash, and we incorporate them into hymns such as Shalom Aleichem. Interestingly, the Mishnah does not mention angels at all, and there was a vigorous debate among the Rishonim commentators as to the reality of angels. In this episode, Gavin and Jordan discuss the history of angels in Rabbinic thought, the rational and mystical approaches, and modern reactions to liturgical texts that invoke angelic intervention. 

Read the original articles at http://www.kotzkblog.com/2017/01/110-angels-in-rabbinic-literature.html and http://www.kotzkblog.com/2016/12/104-praying-to-angels.html