The Cold Spot at the Edge of the Universe: Supervoid or Multiverse?

Deep in the constellation Eridanus lies a billion-light-year cold expanse that shouldn't exist according to standard cosmology. Is the Cosmic Microwave Background Cold Spot a massive supervoid chilling primordial light, proof of a collision with a parallel universe, or an impossibly rare cosmic fluke? We break down data from WMAP and the Dark Energy Survey to explore the mystery that could rewrite our understanding of the universe.