Abstract

In this chapter I will discuss Karl Popper’s notion of metaphysical research programmes (MRPs) and apply it to contemporary cosmology. While Popper was extremely critical of Big Bang cosmology, his work on MRPs provides a potentially fruitful way of understanding the discipline in a different light. I will suggest that while cosmology does fail to meet the criteria Popper sets for a mature science, the standard model of cosmology (also known as ΛCDM) could be seen as an example of a MRP. I will examine the Cosmological Principle as well as the dark matter hypothesis as prospective parts of this MRP. Finally, I will go beyond Popper’s own views and evaluate ΛCDM and its main rival, Modified Newtonian Dynamics (MOND), with the help of two methodological tools: the correspondence principle as formally explicated by E. K. Voishvillo, and Ilkka Niiniluoto’s measures of truthlikeness. The conclusion I will draw from this is that MOND is a viable and in some respects superior alternative to ΛCDM.