Koch marks record stay in space for female astronaut

Astronaut Christina Koch, launched to the International Space Station in March, marks her 289th day in space Saturday, breaking retired astronaut Peggy Whitson’s world record for the longest single spaceflight by a female. Along the way, Koch has participated in four spacewalks, joining astronaut Jessica Meir for history’s first all-female excursion in October. More

(Source: SpaceFlight Now - Jan 2)