This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

No one (except Jesus) has ascended into heaven.

John 3:13 View context

And no man hath ascended up to heaven, but he that came down from heaven, [even] the Son of man which is in heaven.

Some have ascended into heaven.

Genesis 5:24 View context

And Enoch walked with God: and he [was] not; for God took him.

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2 Kings 2:11 View context

And it came to pass, as they still went on, and talked, that, behold, [there appeared] a chariot of fire, and horses of fire, and parted them both asunder; and Elijah went up by a whirlwind into heaven.

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Hebrews 11:5 View context

By faith Enoch was translated that he should not see death; and was not found, because God had translated him: for before his translation he had this testimony, that he pleased God.