Two Nasa astronauts completed their primary objectives, including removing a radio frequency group antenna assembly.

NASA astronaut Sunita Williams and Butch Wilmore on Thursday stepped out of the International Space Station (ISS) for 5.5-hour spacewalk, setting a new record, the US space agency said.

NASA astronaut Sunita Williams broke the record for the most time spent in space by a woman, logging 62 hours and 6 minutes of spacewalking, on January 30. During a five-and-a-half-hour spacewalk with colleague Butch Wilmore,