An example of metaphor in science journalism:
"a stellar burp…a star going through a bit of a burp…the star Eta Carinae which went through a stellar burp, just like Betelgeuse did"
Chemistry World
Motion, A. 2022, Space for more science. Astrophysics and Aboriginal astronomy on TikTok, Chemistry World, December 2022, p.15
This article is discussed here: Was the stellar burp really a sneeze? Pulling back the veil on an astronomical metaphor
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Many examples of science metaphors are listed in 'Creative comparisons: Making science familiar through language. An illustrative catalogue of figurative comparisons and analogies for science concepts'. Free Download.