Astronauts arrive at International Space Station on quickest U.S. express flight yet

Four astronauts pulled up at the International Space Station on Thursday after launching on an eight-hour express that set a United States speed record. The SpaceX Dragon spacecraft carried NASA astronauts Jessica Watkins and Luke Delaney, CSA (Canadian Space Agency) astronaut Joshua Kutryk, and Roscosmos cosmonaut Sergey Teteryatnikov.