A climber was found dead on North America's tallest peak, Denali, on Monday, a day after a family member told rangers they had not heard from them in days, authorities said. The climber was using a satellite communication device to keep in contact with their family during a solo attempt to climb Denali, according to a statement from Denali National Park and Preserve. Rangers found the climber's tent and used information gathered from interviews and location data from their satellite device... Read this story