Astronauts Feustel and Arnold to Kick Off 5.5-Month ISS Expedition With 29 March Spacewalk

Veteran spacewalker Drew Feustel will serve as EV1 on the 29 March spacewalk outside the International Space Station (ISS). Photo Credit: NASA

Less than a week after their scheduled 23 March arrival at the International Space Station (ISS), Expedition 55/56 astronauts Drew Feustel (EV1) and Ricky Arnold (EV2) will participate in a 6.5-hour Extravehicular […]

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 an […]

Spacewalkers Vande Hei and Tingle Service Space Station Robotic Arm

Scott Tingle became the 222nd human to perform an Extravehicular Activity (EVA) on Tuesday, 23 January. His spacewalk with Mark Vande Hei lasted seven hours and 24 minutes and successfully replaced the Latching End Effector (LEE)-B on Canadarm2. Photo Credit: NASA/Twitter

A pair of fiftysomething fathers labored for seven hours and 24 minutes earlier […]

'Quite a Feeling of Being Alone': 25 Years Since Endeavour's Vanilla-to-Chocolate STS-54 Mission

The base of the Inertial Upper Stage (IUS), carrying the Tracking and Data Relay Satellite, departs Endeavour on 13 January 1993. Photo Credit: NASA, via Joachim Becker/

Twenty-five years ago, this week, the crew of STS-54 settled into orbit for one of the shortest shuttle missions of the decade, tasked with deploying the fifth […]

Record-Setting Marine Corps Spacewalker Leads Ambitious EVA-45 at Space Station

Randy Bresnik (with red stripes) and Mark Vande Hei totaled six hours and 26 minutes during Tuesday’s U.S. EVA-45. Photo Credit: NASA/Sergei Ryazansky/Twitter

The U.S. Marine Corps is celebrating a new service record today, after Expedition 53 Commander Randy “Komrade” Bresnik—a retired colonel—became the service’s most seasoned spacewalker. Having already become the first Marine […]

Expedition 53 Spacewalkers Replace Latching End Effector, First Canadarm2 Major Maintenance in 16 Years

Expedition 53 Commander Randy Bresnik (with red stripes on the legs of his suit) and Mark Vande Hei labor outside the International Space Station (ISS) to remove and replace Latching End Effector (LEE)-A on Canadarm2. Photo Credit: NASA/CSA/Jason Seagram/Twitter

Two astronauts representing the Marine Corps and Army branches of the U.S. Armed Forces ventured […]

Three Spacewalks Ahead for Expedition 53 Crew

Veteran spacewalker Randy Bresnik will lead all three upcoming sessions of Extravehicular Activity (EVA). Photo Credit: NASA, via Joachim Becker/

Three U.S. astronauts will venture outside the International Space Station (ISS) over the next two weeks to undertake a series of maintenance tasks on the exterior of the orbiting outpost. Expedition 53 Commander Randy […]

‘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 14 […]

'The Clock Was Ticking': 15 Years Since STS-111’s Repairmen Visited the Space Station (Part 2)

Endeavour is pictured docked to the space station’s U.S. Destiny lab, with the S-0 truss visible at far right. Also visible are the shuttle’s Remote Manipulator System (RMS) mechanical arm at center and a portion of Canadarm2 at bottom-left. Photo Credit: NASA

Over the past five decades, more than 500 people have voyaged beyond […]

'We Had a Bet...and I Lost': 15 Years Since STS-111's Repairmen Visited the Space Station (Part 1)

Although he had six previous shuttle missions to his credit, Franklin Chang-Diaz had yet to make a spacewalk. On STS-111, he made three. Photo Credit: NASA

Fifteen years ago, next week, the second human to launch from Earth as many as seven times began what would be his final space mission. Costa Rica-born U.S. […]