Two Russian cosmonauts helped relocate a large radiator outside of the space station overnight, completing a spacewalk that had been twice delayed. International Space Station Expedition 69 commander ...

Add Yahoo as a preferred source to see more of our stories on Google. cosmonaut Sergey Prokopyev discards an old science experiment during a spacewalk, with the curve of earth visible in the ...

Roscosmos cosmonauts Sergey Prokopyev and Dmitri Petelin embarked on a spacewalk at the International Space Station (ISS) at 4 p.m. ET on Wednesday to relocate an experiment airlock from the Rassvet ...

NASA will begin broadcasting the spacewalk at 11:30 a.m. ET, and it is scheduled to last for about 7 hours. Reading time 2 minutes Two cosmonauts are about to go on a second spacewalk in a little over ...

Join us as we liveblog Roscosmos cosmonauts Sergey Prokopyev and Dmitri Petelin's spacewalk at the International Space Station. Maria Mercedes Lara is the Senior Director of Digital Content Operations ...