Sunita Williams, NASA

Astronauts have eat twice as many calories as earthbound humans need each day. To put on weight, Williams needs to eat up to ...
Doctors at the National Aeronautics and Space Administration (NASA) are desperately trying to help astronautSunita Williams, ...
Sunita Williams experiences 16 sunrises and sunsets daily on the ISS, orbiting Earth every 90 minutes at 28,000 km/h. Her ...