This marks the first medical evacuation in the space station's 25-year history.

A SpaceX capsule has splashed down back to Earth carrying four astronauts from the International Space Station, after a medical issue prompted them to evacuate and cut their mission a month short.

Isaacman stressed that the SpaceX Crew-11 mission — which faced early delays — was a success, touting the more than 850 hours of scientific studies he said will have “direct applications in medical an...