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 astronaut Sunita 'Suni' Williams, who is stranded in space until 2025, has spoken out after new photos onboard the ISS sparked health concerns.

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,

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Astronaut Suni Williams, of Needham, said she has been working out in space, and she credits that and being in space to possible changes in her body. But, she said, she weighs the same.

With the rising concerns related to the health of Sunita Williams, it was recently discovered that she stated being fit and healthy. The astronaut has been in space for months and has been working out to maintain her health.

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.