The claims made by Russian media that NASA Astronaut Serena Aunon-Chancellor had a nervous breakdown and damaged a Russian spacecraft to get home are not credible, Kathy Lueders, who is leading NASA's human spaceflight program, said at a press conference on Friday. Russia's TASS recently published a story, citing an unnamed source in the Russian Space Agency Roscosmos, that claimed Aunon-Chancellor had an emotional breakdown in space and she made a microfracture in the Russian spacecraft to return early during a mission in 2018. "Absolutely," Lueders said when asked whether NASA will defend its astronaut. "Our NASA crews perform their...