Spacewalkers Wrap Up Battery Work, Prepare for Future Upgrades

Today’s 6h 1m ISS EVA resembled “Route 66” for Expedition 63 astronauts Chris Cassidy and Bob Behnken. […]

Spacewalking Heavyweights Smoothly Complete S-6 Battery Swap

Expedition 63 Commander Chris Cassidy (right) and Flight Engineer Bob Behnken both completed their seventh career EVAs on Friday, 26 June. Photo Credit: NASA

Two of the United States’ most seasoned spacewalkers have completed the replacement of batteries in one of two power channels on the far-starboard S-6 truss segment on the International Space […]

NASA Outlines Upcoming Spacewalks; Crew Dragon Return NET Aug 2

Expedition 63 Commander Chris Cassidy (left) and Flight Engineer Bob Behnken work with Extravehicular Mobility Units (EMUs) in the Quest airlock. Photo Credit: NASA

Two U.S. astronauts will venture outside the International Space Station (ISS) on Friday to begin the homestretch in a three-year-plus sequence of spacewalks to remove outdated nickel-hydrogen batteries from the […]

Cassidy, Behnken Primed for Spacewalks at Month's End

NASA astronauts Chris Cassidy and Bob Behnken will conduct two spacewalks at the end of this month to continue upgrading power systems at the International Space Station. Photos: NASA

With the U.S. Operational Segment (USOS) of the International Space Station (ISS) newly replenished to three members, following the recent arrival of Dragon Endeavour crewmen Doug […]

'Full Power for Full Science': Remembering STS-119, Ten Years On

The International Space Station (ISS), as it appeared in March 2009, as shuttle Discovery departed at the end of STS-119. The S-6 truss and its two sets of solar array wings are visible at the far right of frame. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Ten years ago, this month, the crew of […]

‘Knight in Shining Armor': 10 Years Since STS-117 Changed the Face of the Space Station (Part 2)

John “Danny” Olivas is just barely visible at center-right, near the deploying Photovoltaic Radiator (PVR) on the S-3/S-4 truss during the first spacewalk of STS-117. Photo Credit: NASA

Ten years ago, this week, Space Shuttle Atlantis launched on what would turn out to be the longest mission of her storied career, lasting almost […]

'Just Do It...Again': 10 Years Since STS-117 Changed the Face of the Space Station (Part 1)

Atlantis launches on her longest space mission on 8 June 2007. Photo Credit: NASA

Ten years have now passed since STS-117 literally changed the face of the International Space Station (ISS), delivering and activating a new set of power-producing solar arrays, batteries and radiators. Aboard shuttle Atlantis in June 2007 for what would […]

Adding Backbone to the Space Station: 15 Years Since STS-110 (Part 2)

The S-0 truss is maneuvered by Canadarm2 towards its installation position on the U.S. Destiny lab. Photo Credit: NASA

Jerry Ross was already a record-setter before ever launching on his final space mission, STS-110, aboard shuttle Atlantis, on 8 April 2002. For more than three years, he had been the United States’ most […]

Adding Backbone to the Space Station: 15 Years Since STS-110 (Part 1)

Rex Walheim works on the installation of S-0 truss connections during EVA-1. Photo Credit: NASA

Fifteen years ago, on the morning of 8 April 2002, U.S. astronaut Jerry Ross—veteran of seven space missions and seven spacewalks—settled into orbit aboard shuttle Atlantis, having just launched from Earth more times than any other human being. […]

U.S.-French EVA Team Completes First Space Station Battery Swap

Shane Kimbrough made the fourth EVA of his astronaut career on Friday, 13 January 2017. Photo Credit: Shane Kimbrough/NASA/Twitter

Expedition 50 Commander Shane Kimbrough and Flight Engineer Thomas Pesquet spent almost six hours working outside the International Space Station (ISS), earlier today (Friday). During U.S. EVA-39—the 39th spacewalk performed from the station’s Quest […]