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Space Station (ISS) on Friday to begin the homestretch in a three-year-plus sequence of spacewalks to remove outdated nickel-hydrogen batteries from the […]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 […]

For All Womankind: Koch and Meir Complete Historic All-Female Spacewalk

Christina Koch (with red stripes) was making her fourth career Extravehicular Activity (EVA), whilst Jessica Meir became the 14th U.S. woman and the 15th woman in history—when one also counts Russia’s Svetlana Savitskaya—to perform a spacewalk. Photo Credit: NASA

Thirty-five years to the month since Kathy Sullivan carved her name in the annals of […]

Spacewalkers Begin Three-Week EVA Marathon to Replace Space Station Batteries

Today’s battery replacement task centered on the P-6 truss segment, circled. Photo Credit: NASA/Twitter

Veteran spacewalkers Christina Koch and Drew Morgan wrapped up a multi-hour session of Extravehicular Activity (EVA) yesterday to begin replacing old nickel-hydrogen batteries in the P-6 truss of the International Space Station (ISS) with upgraded lithium-ion units and associated adapter […]

On International Women's Day, NASA Looks Forward to First All-Female EVA in Late March; Koch Tapped for Longer ISS Stay

Anne McClain and David Saint-Jacques at work with U.S. space suits in the Quest airlock aboard the International Space Station (ISS). Photo Credit: NASA

As the world observes International Women’s Day today (Friday, 8 March), we are reminded not only of the past accomplishments of female spacefarers—including Valentina Tereshkova, the first woman in […]

The Saddest Moment: Remembering America's First Spacewalk, On This Day in 1965

Clasping the cold-gas maneuvering gun in his right hand, and trailed by a snake-like tether, Ed White tumbles over a cloud-speckled Earth during the United States’ first EVA. Photo Credit: NASA

On this day, 3 June, way back in 1965, the United States took a huge step forward in its drive to land […]

Expedition 55 Spacewalkers Tend to Station Cooling System on 50th Quest-Based EVA

Expedition 55 spacewalkers Drew Feustel (right) and Ricky Arnold (left), pictured inside the Quest airlock with crewmate Norishige Kanai. Photo Credit: NASA/Twitter

Expedition 55 spacewalkers Drew Feustel and Ricky Arnold have completed a six-hour and 31-minute session of Extravehicular Activity (EVA), outside the International Space Station (ISS), during which they removed a 235-pound […]

U.S.-Japanese Spacewalking Team Wraps Up Replacement of Canadarm2 'Hands'

Astronauts Mark Vande Hei and Norishige Kanai spent five hours and 57 minutes outside the International Space Station (ISS) on U.S. EVA-48. Photo Credit: NASA/Twitter

The spectacular sight of the Sun rising from behind the limb of the Home Planet was closely mirrored by the “circle of the Sun” on the sleeve of […]