NASA calls off ISS astronauts' spacewalk over spacesuit discomfort

NASA cancelled a planned spacewalk outside the ISS due to a "spacesuit discomfort issue" just an hour before the mission. Astronauts Tracy Dyson and Matt Dominick were preparing for a six-hour repair and science mission. This would have been NASA's 90th spacewalk at the ISS and the second this year. It was to be Dyson's fourth spacewalk and Dominick's first.