A recent photo of Williams aboard the ISS sparked rumors about her health, restoring the media's habit of prying into the appearance of women astronauts.

NASA doctors are monitoring the second astronaut stranded on the International Space Station — and making sure that he isn’t losing too much weight during his extended stay in space. A NASA employee who is involved in the mission told The Post that Butch Wilmore has also been losing body mass,

With all eyes on Sunita Williams amid speculated rising health concerns in space, NASA is also monitoring Butch Wilmore's considerable loss of body mass.

Stranded astronaut Sunita Williams said the growing concerns about her health were nothing but “rumors” — as she attributed the change in her appearance to “fluid shift.” Williams, 59, sparked concern last week when she appeared in a NASA photo appearing gaunt,