How women can deal with periods in space

Who was the first woman to have her period in space? What is it like changing sanitary products while being weightless? And why doesn't menstrual flow just float up into the body when gravity isn't around?

NASA's Mars 2020 will blaze a trail for humans

When a female astronaut first sets foot on the moon in 2024, the historic moment will represent a step toward another NASA first: eventually putting humans on Mars. NASA's latest robotic mission to the Red Planet, Mars 2020, ...