Astronauts at the center of Starliner drama step out for spacewalk after more than 7 months in orbit - CNN

Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to remove degraded hardware and swab for microorganisms.Sign up for CNNs Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronauts Suni Williams and Butch Wilmore, who have b…