Space is a dangerous and unforgiving place, and spending time away from gravity takes its toll on the human body, as many astronauts ... Space Station has been in orbit since 1998 "I had soreness ...

A NASA spacecraft just became the closest human-made object to reach a ... During the perihelion—the point in an orbit when a celestial body is closest to the sun— the mission operations ...

Developed with input from a wide range of stakeholders, NASA's Low Earth Orbit Microgravity Strategy will guide the agency toward the next generation of continuous human presence in orbit ...

"The 475-km orbit sits slightly above the typical human presence orbit of 370 km - 450 km, and the inclination was selected to ensure coverage of most global land masses while considering safety ...

The report also points out that since the in-orbit construction of the space ... China has planned four major research areas: space life and human body research, microgravity physical sciences ...