Astronaut Sunita Williams, along with her colleagues Butch Wilmore, Nick Hague and Don Pettit, cast their votes for the U.S.

Sunita Williams's extended stay on the International Space Station has led to alarming weight loss, prompting NASA to ...

NASA astronaut Sunita Williams, currently on the International Space Station, experiences 16 sunsets and sunrises every day.

NASA astronaut Sunita Williams is facing health concerns after being stuck in space since June due to a spacecraft ...

What began as an eight-day mission has turned into an exhausting six-month stay for NASA astronauts Sunita Williams and Barry ...

NASA doctors are frantically trying to help stranded astronaut Sunita Williams pack on the pounds after she has suffered a ...

ISS commander Sunita Williams, who has been stranded there since June due to the malfunctioning Boeing Starliner, is feared to be losing weight.

File: Sunita Williams, a retired US Navy officer and NASA astronaut, speaks about Diwali via video from the International ...

are desperately trying to help astronautSunita Williams, after she has lost weight "significantly" since arriving at the ...

Sunita Williams' prolonged stay in space due to a Boeing Starliner malfunction has raised health concerns, as recent photos ...

The cold environment of space further increases the body's energy demands, leaving astronauts like Williams and Wilmore at ...