Dr Christina Mackaill has been teaching emergency departments about how to treat astronauts after returning to Earth.
Newly released video shows the moment the hatch of Artemis II's Orion capsule is unlocked to a happy reunion with the four astronauts.
Newly released video shows the moment the hatch of Artemis II's Orion capsule is unlocked to a joyful reunion with the four astronauts.
Cambridge University students want to be the first in Europe to send a rocket to the edge of space.
The BBC's Science editor tries the health checks Nasa carries out on its astronauts.
BBC Science Editor Rebecca Morelle reflects on how it felt to watch history being made.
The four astronauts flew around the Moon in a nine-day voyage that took them further from Earth than any humans in history.
Of the 24 Nasa astronauts who travelled to the Moon in the Apollo missions of the 1960s and 1970s, just five remain.
The four crew members of the Artemis II are back on Earth after their 10-day mission to the Moon.