"NASA's first and (so far) only Black administrator says he is angry and hopeful as he reflects on the world today. "Charles 'Charlie' Bolden, a former astronaut who served as NASA administrator from 2009 to 2017, is 'on a constant roller coaster of being very angry and then being hopeful,' he told Space.com. Bolden recently spoke to Space.com about not only his experiences as an African-American man who has helped lead the world in space exploration, but also about how he [...]