NASA’s Space Shuttle Challenger lifted off 40 years ago with an unusual crew. In addition to six astronauts, the mission took flight with a teacher on board. Christa McAuliffe, the first educator ...

The arrival of the astronauts selected for the Crew-11 mission at the space station will pave the way for the Crew-10 predecessors to depart. Crew-10 arrived at the ISS in mid-March in a ...