US astronauts enter space station in milestone mission

NASA astronauts entered the International Space Station on Sunday after a landmark 19-hour journey on the first crewed US spacecraft in nearly a decade, a triumph for SpaceX and private enterprise.The hatch opened at 1:02 pm Eastern Time (1702 GMT) as Bob Behnken and Doug Hurley carried out final procedures, crossing the threshold about 20 minutes later.Wearing black polo shirts and khaki pants, they were greeted by fellow American astronaut Chris Cassidy, as well as Russia cosmonauts Anatoli Iv