About half of astronauts could develop osteoporosis during a mission to Mars, a new study led by Stanford scientists has found.
Stanford researchers study stem-cell-derived human heart muscle cells on the International Space Station to learn effects of microgravity.
A new study finds chronic irradiation causes physiological and behavioral deficits in mice, pointing to potential health risks to humans traveling to Mars.
NASA and collaborating institutes, including Stanford, have examined the molecular and genetic differences between two twin astronauts.
A Stanford surgeon discusses the adverse conditions, physiological changes and surgical challenges faced by space travelers.