Angels, in a variety of religions, are regarded as spiritual beings. They are often depicted as messengers of God in the Hebrew and Christian Bibles and the Quran. The English word angel is derived from the Greek ἄγγελος (aggelos), a translation of מלאך (mal'akh) in the Hebrew Bible (Tanakh); a similar term, ملائكة (Malāīkah), is used in the Qur'an.
The theological study of angels is known as angelology.
Here is a quick intro on Angels :)
Read More →