Gene Cernan, the last man to walk on the moon, dies at 82

Eugene "Gene" Cernan, the astronaut famous for being the last person to walk on the moon, died Monday in Houston. He was 82. His family said in a statement he had ongoing health issues, but the exact cause of death is unknown. In 1963, Cernan, a Navy fighter pilot, was selected by NASA as one of 14 people to participate in the third astronaut class. He piloted the Gemini 9 mission, and was the second American to walk in space -- he later called it the "spacewalk from hell," USA Today reports, be...