NASA astronaut Sunita Williams has completed over 200 days in space even since she reached the International Space Station on June 6 last year. What's holding her back in space? What hasn't NASA brough her back to Earth yet?

NASA astronaut Sunita Williams, who has been stranded on the International Space Station (ISS) for the past eight months, recently revealed the severe impact of her extended stay i

NASA astronaut Sunita Williams broke the record for the most time spent in space by a woman, logging 62 hours and 6 minutes of spacewalking, on January 30. During a five-and-a-half-hour spacewalk with colleague Butch Wilmore,