Space Station Astronauts Are Taking a Spacewalk Today: Watch It Live

Two astronauts will take a spacewalk outside the International Space Station (ISS) today (Oct. 5), kicking off a trifecta of spacewalks set to take place over the next two weeks. In this first spacewalk, NASA astronauts Randy Bresnik and Mark Vande Hei will replace an aging machine called the Latching End Effector (LEE) at the end of the Space Station Remote Manipulator System (SSRMS), or Canadarm2. The LEE works like a hand at the end of the robotic arm and grapples incoming cargo spacecraft like SpaceX's Dragon and Orbital ATK's Cygnus. More

(Source: Space.com - Oct 6)