NASA astronaut Josh Cassada recently spoke to Short Wave Scientist in Residence Regina G. Barber from the International Space Station (ISS). As he orbited Earth, they discussed some of the science experiments happening aboard the ISS. The experiments span multiple scientific fields including physics and biology. NASA/Screenshot by NPR hide caption
spacewalks
Astronauts Christina Koch and Jessica Meir conducted some much-needed work on the exterior of the International Space Station on Friday. Along the way, they also enjoyed amazing views of Earth. NASA hide caption
While she was working last week, U.S. astronaut Anne McClain realized that she needed a medium-size suit for spacewalking. Dmitri Lovetsky/AP hide caption
Extravehicular crewmember 2 (EV2) Terry Virts is reflected in the helmet visor of EV1 Barry Wilmore during Extravehicular Activity 29 (EVA 29). Earth is in the background. Courtesy of NASA hide caption
Astronaut Terry Virts points to his helmet as he sits inside the International Space Station on Wednesday. AP hide caption