After 355 days aboard the ISS, astronaut Mark Vande Hei returns to Earth a changed manTomorrow's orbital workforce may have to endure a number of, ahem, fluid shifts for the sake of the job. By A. Tarantola, 03.30.2022
NASA compared twin astronauts to see if space ages the human bodyAstronaut Scott Kelly spent nearly a year at the International Space Station. By A. Khalid, 04.11.2019
How Peggy Whitson stayed in shape for nine months aboard the ISSHint: She hit the gym. A lot.By A. Tarantola, 09.21.2017
A lawsuit almost stalled NASA's Cassini missionIt was just 73 pounds of plutonium, guys.By A. Tarantola, 09.13.2017