Nine months in space can permanently alter the body, leaving astronauts with possible long-term health effects.
NASA astronauts Sunita Williams and Butch Wilmore are finally on track for their long-awaited return to Earth. And they must ...
Astronauts’ skeletons can also be affected without Earth’s gravity. Bones can start to demineralize and lose their strength, ...
Scientists estimate that tens of trillions of viruses live inside of us ... “They’re in a partnership.” In the human body, for example, phages typically don’t exterminate their host ...
After Scott Kelly spent a year on the International Space Station, the astronaut returned to Earth in 2016 shorter, more nearsighted, lighter and with new symptoms of heart disease that his ...