An example of metaphor in scence journalism:
"…because you have billions of galaxies, many, many of them have pairs of supermassive black holes in them, some of those must be emitting a lot of gravitational waves, and the combined hum from all these pairs of supermassive black holes in the entire observable universe, together, gives you the signal…"
Nature Podcast
Dr Davide Castelvecchi, Senior Reporter, Physical Sciences, Nature was talking on an episode of the Nature podcast
Read about metaphor in science
Read about examples of science metaphors
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.