James McDivitt, a former NASA astronaut who commanded the Gemini IV and Apollo 9 missions, died in his sleep last week in Tucson, Arizona, NASA said in a statement Monday. He was 93. McDivitt was ...

On June 3, 1965, NASA astronaut Ed White became the first American to exit a spacecraft in orbit. “This is the greatest experience, it’s just tremendous,” White said as he floated outside the Gemini 4 ...