Starliner astronauts mark 239th day in orbit with successful space station spacewalk
Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to No. 4 overall.
The Boeing Starliner astronauts took their first spacewalk
This story incorporates reporting from Bill McEwen, Space.com and CNN on MSN.com.NASA astronauts Suni Williams and Butch Wilmore, currently stationed aboard the International Space Station (ISS), have ...