Two cosmonauts took part in a spacewalk outside of the International Space Station on Monday. Oleg Artemyev and Denis Matveev spent nearly seven hours installing a control panel for a robotic arm. The ...

In a thrilling sight, two Russian cosmonauts completed their second spacewalk together, installing experiments and performing maintenance on the exterior of the International Space Station ISS on ...

Two Russian cosmonauts are back inside the International Space Station after conducting a spacewalk to install a semiconductor materials experiment, as well as retrieve and jettison a no-longer-needed ...