A delightful video of astronauts Sunita Williams and Don Pettit dancing in the weightless environment of the International ...

The video captures them performing an impromptu dance, their movements fluid and playful as they glide through the ISS ...

And one particular NASA astronaut has lifted the lid on his own experience, describing a bizarre and unexpected side effect ...

Don Pettit, NASA's oldest active astronaut, addressed his eventful return to Earth. Shortly after the spacecraft touched down ...