Watch our interview with two International Space Station astronauts

An on-target touchdown in Kazakhstan punctuated a 115-day space mission for Russian cosmonaut Anatoly Ivanishin, Japanese flight engineer Takuya Onishi and NASA astronaut Kate Rubins this weekend. Photographers recorded the moment with these vivid photos.

SpaceX is targeting Saturday for launch of its next space station resupply mission from Cape Canaveral after a problem with an upper stage steering system actuator flared up during a countdown Tuesday.

A United Launch Alliance Delta 4-Heavy rocket stands 233 feet tall at Space Launch Complex-6 at Vandenberg Air Force Base, California, ready for liftoff Saturday night carrying a top secret U.S. government spy satellite into orbit.