The Assumption of Mary into Heaven is, according to the beliefs of the Catholic Church, Eastern and Oriental Orthodoxy, as well as parts of Anglicanism, the bodily taking up of the Virgin Mary into Heaven at the end of her earthly life.
"Finally the Immaculate Virgin, preserved free from all stain of original sin, when the course of her earthly life was finished, was taken up body and soul into heavenly glory, and exalted by the Lord as Queen over all things, so that she might be the more fully conformed to her Son, the Lord of lords and conqueror of sin and death." (Vatican II, Lumen Gentium §59)
The Assumption of the Blessed Virgin is a unique participation in her Son's
Resurrection and an anticipation of the resurrection of other Christians...