Space station crew back on Earth after record U.S. spaceflight

By Irene Klotz CAPE CANAVERAL, Fla./ALMATY (Reuters) - NASA astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko returned to Earth on Wednesday after nearly a year on the International Space Station, the longest U.S. space mission on record, intended to pave the way for human travel to Mars. A Soyuz capsule carrying Kelly, Kornienko and Sergey Volkov, another Russian cosmonaut, made a parachute landing on the steppe near the Kazakh city of Zhezkazgan at 10:26 a.m. (0426 GMT), about 3-1/