I've been blogging a bit on Substack, at Scribal Error. While focused more on gemara and girsaot, I just had a post on Rationalism and Midrash. Check out Luminous Stones and Peshat in Midrash .
An excerpt:
Is this magic? Miracle? The natural process by which luminous stones glow? It seems a natural process. Bereishit Rabba continues: