Doctors for the space agency are closely monitoring the health and diets of Butch Wilmore, 61, and Sunita Williams, 59, after a recent photo showed Williams looking jarringly gaunt.

Developed under a 2014 $4.2 billion NASA Commercial Crew contract, Starliner is designed to carry astronauts to the ISS.

"Exposure to the space environment leads to changes related to inflammation, muscle wasting," and more, NASA said.

During the APEC summit, President Biden humorously suggested a space mission to assist stranded NASA astronauts Sunita ...

Astronaut Sunita Williams clears up health speculations regarding her body changes on the ISS. Learn how NASA ensures astronaut well-being and Williams' commitment to her mission in space.

Sunita Williams and Butch Willmore have been stuck in space for nearly seven months now. People have expressed concerns over ...

The sun's solar weather has caused several atmospheric events since the star entered its maximum phase. See the sun's effect.

Here is an explanation of the time and what capabilities are to be tested by SpaceX from the 6th Starship test this week.