NASA Astronaut Will Break the Record for Longest American Spaceflight

A NASA astronaut will break the record for the longest American spaceflight, following an extension to his time at the International Space Station that will span until next March.Astronaut Mark Vande Hei has been in space since April 9 on a trip that was originally scheduled to last only six months before NASA announced that it would tack an additional six months onto his stay.The space agency also extended the stay of Russian astronaut Pyotr Dubrov, who arrived alongside Vande Hei and another a...