Jessica Meir and Chris Williams of Expedition 74 did some preparatory work to install solar arrays.

NASA astronauts Jessica Meir and Chris Williams prepared the International Space Station for the addition a new solar array during a spacewalk on Wednesday, March 18, 2026.

Jessica Meir and Chris Williams completed a seven-hour spacewalk aboard the International Space Station to prepare its power system for upgrades. The work enables installation of new roll-out solar ...

On March 19, 2026, NASA astronauts aboardthe International Space Station (ISS) marked a pivotal moment in space exploration as they debriefed a crucial spacewalk, having completed a vital phase in the ...

NASA astronauts Jessica Meir and Chris Williams completed a spacewalk outside the International Space Station on Wednesday. The spacewalk began at 8:52 a.m. Eastern Time and concluded at 3:54 p.m., ...

NASA astronauts are conducting a spacewalk to upgrade the solar panels powering the International Space Station. Watch here. ...

NASA will provide live coverage as two American astronauts are due to spend hours Wednesday, March 18, on a spacewalk outside the ISS.

The ISS will host its first spacewalk of 2026 on 18 March at 7:00 a.m. EDT, streamed live by NASA after delays caused by an unprecedented astronaut medical issue. The EVA will be under close ...