Astronaut Peggy Whitson is congratulated by President Trump in an Earth-to-space call.
NASA to livestream 4K videos from space at the NAB panel this April.
Peggy Whitson takes over the command of the ISS for the second time in her career.
Peggy Whitson to break more records on her extended NASA mission.
Astronaut Peggy Whitson performed a spacewalk for the eighth time - breaking the record of having the most spacewalks achieved by a woman.
Astronaut Peggy Whitson tended a Tokyo Bekana cabbage in space station and now harvesting the fruit of her labor.
ISS crew members successfully accomplished a long-planned spacewalk.
The ISS never runs out of interesting stuff.
Two spacewalks are scheduled for January to replace the old batteries on board the ISS.
The Expedition 50 astronauts will perform spacewalks outside the International Space Station in January 2017.