Hot answers tagged evolution
The official statement on Science and Technology says in part, "We find that science’s descriptions of cosmological, geological, and biological evolution are not in conflict with theology. The Church also opposes introducing theories such as Creationism or Intelligent Design into public school curriculum. ...
In 2006, the General Convention of the Episcopal Church affirmed its support for the theory of evolution, resolving by Resolution 2006-A129: That God is Creator, in accordance with the witness of Scripture and the ancient Creeds of the Church; and That the theory of evolution provides a fruitful and unifying scientific explanation for the ...
I believe the Pope has to speak "ex cathedra" for his statements to be binding. I don't believe Pope Francis was speaking ex cathedra when he was discussing those theories so the short answer would be no, Catholics aren't expected to believe in those things.
The answer to your question is "No." At least in what was quoted in OP, Pope Francis did not say the Big Bang is true, nor did he say the Theory of Evolution is true. Essentially, he said that IF they are true, there still had to be a God to make them happen. EDIT: Just to clarify - I did not explain what the Pope meant, only what he said.
From a footnote of Fr. Garrigou-Lagrange's Essence & Topicality of Thomism: Some teach more or less explicitly that the material world would naturally evolve toward the spiritual, or that likewise the spiritual world would evolve naturally or quasi-naturally toward the supernatural order, as if Baius had been right. The world would be thereby in ...
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