American astronaut Buzz Aldrin has been medically evacuated from the South Pole, according to the National Science Foundation and a private tourism group. Aldrin, 86, was visiting Antarctica when "his condition deteriorated," according to White Desert, which organizes luxury tourism trips to the icy continent. The group said Aldrin was evacuated on the first available flight out of the Amundsen-Scott South Pole Station to the McMurdo Station on the Antarctic coast under the care of a doctor with the U.S. Antarctic Program. He is in stable condition, White Desert said. The National Science Foundation provided the flight for Aldrin, who...