Indian-origin astronaut Sunita Williams has been aboard the International Space Station (ISS) for more than seven months, far beyond her originally planned eight-day mission. Along with her colleague Butch Wilmore,

Williams, 59, and her colleague Butch Wilmore have been stuck aboard the ISS after the Boeing Starliner capsule malfunctioned, forcing it to return without them.

Astronaut Sunita Williams shares her experience of being stuck in space for 237 days and the challenge of remembering how to walk while awaiting her return to Earth.