The sun rises behind the cosmic microwave background (CMB) radiation telescopes at the National Science Foundation'€™s South Pole Station. Steffen Richter/Harvard University hide caption

itoggle caption Steffen Richter/Harvard University

The Dark Sector Lab (DSL), located 3/4 of a mile from the Geographic South Pole, houses the BICEP2 telescope (left) and the South Pole Telescope (right). Steffen Richter/Harvard University hide caption

itoggle caption Steffen Richter/Harvard University