Space changes the human body in many ways. From bone loss to bloated faces, here's how microgravity and radiation affect the ...

Sunita 'Suni' Williams and Barry 'Butch' Wilmore are headed back to Earth after nine months on the ISS – but their greatest ...

WASHINGTON-The human body was not built for space flight, with its microgravity conditions, exposure to high-energy radiation and other issues. As a result, trekking beyond the Earth’s confines ...