MIAMI, United States (AFP) — Jeanette Epps, 46, a former CIA agent turned astronaut, was about to become the first African-American to embark on a mission lasting several months at the International Space Station. It’s still unclear why, but plans for her June liftoff suddenly changed, and another astronaut was chosen in her place, NASA has announced. “A number of factors are considered when making flight assignments; these decisions are personnel matters, for which NASA […]