Roscosmos cosmonaut Sergey Ryzhikov, bottom, NASA astronaut Jonny Kim, middle, and Roscosmos cosmonaut Alexey Zubritskiy, top, wave farewell prior to boarding the Soyuz MS-27 spacecraft for launch ...

NASA’s Suni Williams and Butch Wilmore have returned to Earth from a weeklong mission at the International Space Station that turned into an unexpectedly extended stay.