NASA astronaut Karen Nyberg, an Expedition 37 flight engineer aboard the International Space Station, demonstrates how astronauts run on the COLBERT treadmill in a weightless environment. Station crew members exercise for at least two hours every day to keep fit and to prevent the loss of muscle mass and bone density that occurs during long-duration spaceflight.
How to Prepare (Thanksgiving) Food in Space. Atlantis' Acrobats: One backflip and a dock to ISS. Europe from Space in 4K. Station Spacewalks to Replace Pump Module. Space Station Commander Captures Unprecedented View of Comet. Dining on the Space Station. Space to Ground: Batteries Included: 09/07/2018. The Neutral Buoyancy Lab - We're Open for Business! Russian Female Cosmonaut Prepares for Launch to Station. EVA Lessons Learned.