Sunita Williams's cousin Dinesh Rawal said the family only hopes for the NASA astronauts safe return to Earth, that too in sound health.

Astronauts Barry “Butch” Wilmore and Sunita Williams are set to return to Earth after nearly 300 days in space, far exceeding their original 8-day mission plan.

The Indian-origin NASA astronaut is finally coming back to Earth, after spending over 10 months in space. Let's check what exactly has happened to her bones and muscles due to prolonged exposure to microgravity.