NASA astronaut Dr Jessica Watkins, 33, is poised to become the first black woman to complete a long-term stay on the International Space Station (ISS). Watkins, who was selected as an astronaut in 2017, is the latest member of the SpaceX Crew-4 mission that is scheduled to launch in April 2022 and spend six months on the giant orbiting laboratory. She is joining NASA astronauts Kjell Lindgren and Robert Hines ...