Marking 25 years since its inception, the ISS crew reflects on its achievements and continues vital research in health, aging, and the effects of microgravity. 25 years ago today, the first two modules of the International Space Station – Zarya and Unity – were mated during the STS-88 mission of
NASA Associate Administrator and former astronaut Robert Cabana announced Monday his retirement, effective Sunday, Dec. 31 after more than 38 years of service.