
Yes. The Catechism of the Roman Catholic Church when commenting on the line “your will be done on earth as it is in heaven” in the Lord’s Prayer affirms the existance of heaven. (Catechism of the Catholic Church, 4.2.3.3)

The original religion. Prior to Adam and Eve exchanging life with God for death (Romans 1:23) they had direct access to God (Genesis 3:8). After separating themselves from God in an event now called Original Sin, their religion would’ve been more limited. Immediately after their departure there are some clues that they maintain a connection to God, for example Cain and Able offer sacrifices to God (Genesis 4:4-5).
Our residual awareness that there is a greater power out there, a deeper meaning to reality (Romans 1:20) and something to measure morality by are what you could call residual clues of that original religion.

Jesus, “the author and finisher of our faith” (Hebrews 12:2 KJV). The followers of Jesus were first called Christians in Antioch during the middle of the first century. “The disciples were called Christians first at Antioch.” (Acts 11:26, NIV)
The Roman historian Tacticus describes Christianity as a “most mischievous superstition” that started with “Christus” who “suffered the extreme penalty during the reign of Tiberius at the hands of one of our procurators, Pontius Pilate.” (Annals, 15.44)