Scientist-writers Rachel Carson and Loren Eiseley use a variety of narrative strategies to describe natural phenomena and explain scientific concepts. These techniques also contribute to an incisive yet balanced critique of science, one rooted in an ethical approach to nature, a rejection of anthropocentrism, and a healthy suspicion of the blind faith in scientific and technological progress. This article analyzes their use of metaphor and perspective, construction of narrative personae, emotional appeals, and invocations of the imagination.