The agency’s top medical official was responding to rumors that Suni Williams had lost an unusual amount of weight during an extended stay in orbit.

The astronaut appeared to be in good health and spirits following photos of her that recently sparked health scare rumors.

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

Both Suni Williams and Butch Wilmore are in good health on the ISS, NASA confirms, despite tabloid rumors suggesting otherwise.

Suni Williams and Butch Wilmore, the two NASA astronauts who have been stuck at the International Space Station for more than 150 days and counting, are speaking out amid health concerns, reassuring the public they are doing well and explaining how they keep themselves healthy.

Another NASA employee has spoken out about the health of the stranded Starliner crew, but this time, the unnamed source raised concerns about Butch Wilmore. He has also lost weight, they say.