Who is NASA astronaut Kate Rubins? Fox NewsAstronauts Kate Rubins and Soichi Noguchi conduct 4th career spacewalk CNN Astronauts conduct spacewalk outside ISS WKMG News 6 & ClickOrlandoSpacewalking astronauts tackle stubborn struts to prime space station for new solar arrays Space.comSpacewalking astronauts tackle more solar panel advance work Yahoo NewsView Full Coverage on Google News