Within 24 hours after their return to earth, the astronauts will begin to lose the unique sensations of weightlessness that ...

Astronauts Barry “Butch” Wilmore and Suni Williams are back on Earth after nearly nine months in space and readjusting to ...

Down to their very DNA, astronauts’ bodies can change in weird and sometimes significant ways, particularly during a long flight high above the Earth: They start to elongate, often developing a taller ...