NASA's SpaceX Crew-3 astronauts launch to space station alongside microgravity research

NASA's SpaceX Crew-3 mission is set to launch four astronauts to the International Space Station aboard a SpaceX Crew Dragon on Sunday, Oct. 31. The mission includes three NASA astronauts--mission Commander Raja Chari, Pilot Tom Marshburn, and Mission Specialist Kayla Barron--as well as ESA (European Space Agency) astronaut Matthias Maurer, who will also serve as a mission specialist.