Second-Longest Space Station Expedition to End Thursday

The Soyuz TMA-15M crew, clad in their Sokol (Falcon) launch and entry suits, will return to Earth on Thursday, after more than 199 days in orbit. Photo Credit: European Space Agency (ESA)

The Soyuz TMA-15M crew, clad in their Sokol (Falcon) launch and entry suits, will return to Earth on Thursday, after more than 199 days in orbit. Photo Credit: European Space Agency (ESA)

After more than 28 weeks aloft, the “core” of Expedition 43—the 43rd crew to live and work aboard the International Space Station […]

Top Ten US EVA Missions of All Time: No. 3—’Repackage Our Margin’

Astronaut Story Musgrave is positioned to replace components at the end of Endeavour’s Remote Manipulator System (RMS) mechanical arm on STS-61 in December 1993. Photo Credit: NASA

More than two decades have passed since one of the most spectacular EVA missions in U.S. history: the long-awaited first servicing of the Hubble Space Telescope (HST). […]

Top Ten US EVA Missions of All Time: No. 4—'The Flights of Buck and Flash'

This iconic image, captured by astronaut Robert “Hoot” Gibson, shows Bruce McCandless participating in humanity’s first untethered EVA, aboard the Manned Maneuvering Unit (MMU). Photo Credit: NASA

When the crew of Mission 41B—the 10th shuttle flight and the fourth voyage by orbiter Challenger—released their official patch in the fall of 1983, it included in […]

Top Ten US EVA Missions of All Time: No. 5—'Just Building a Space Station'

Jim Newman waves to Jerry Ross’ camera whilst working outside the Unity node on STS-88. Photo Credit: NASA

For over 16 years, a bright star has nightly graced Earth’s skies, easily visible to the naked eye, serving to pique our curiosity and inspire our minds. Now, in 2015, the International Space Station (ISS) is […]

Top Ten US EVA Missions of All Time: No. 6—'We Can Fix Anything'

The salvation of Skylab, perhaps more so than any previous endeavor, validated the importance of Extravehicular Activity (EVA). Photo Credit: NASA

Construction and maintenance of an Earth-circling laboratory is nothing new in the 21st century, for dozens of humans from a multitude of nations have toiled in low-Earth orbit to assemble the International Space […]

Top Ten US EVA Missions of All Time: No. 7—’We've Got a Satellite!’

With the possible exception of Columbia and the very first space shuttle mission, few orbiters had as dramatic and exciting a maiden voyage as Endeavour. On STS-49, she provided a reliable stage for the longest EVA in history and the first three-man EVA in history. Photo Credit: NASA

“Ready. Ready. Grab!”

The words of […]

'Roger, Houston': Mission Control Center (MCC) Celebrates 50 Years of Spaceflight Operations Support

Fifty years ago, today, on 3 June 1965, the Mission Control Center (MCC) in Houston, Texas, provided primary support for its first human spaceflight. In doing so, it placed Houston permanently on the intergalactic map. Image Credit: William Foster/NASA

Over the last 50 years, Houston—the seat of Harris County and the most populous city […]

Top Ten US EVA Missions of All Time: No. 10—'The Long and the Short'

Jim Voss is pictured at the end of Discovery’s Remote Manipulator System (RMS) mechanical arm, during the longest EVA ever undertaken, in March 2001. Photo Credit: NASA

Over the course of five decades, no fewer than 211 individuals from 10 sovereign nations—Russia, the United States, France, Germany, Japan, Switzerland, Canada, Sweden, China, and Italy—have departed […]

Boeing Receives First Order for ISS Crew-Rotation Vehicle; Fincke Heads Up Commercial Crew Branch

NASA’s Commercial Crew Program will deliver U.S. astronauts into low-Earth orbit, from U.S. soil, and aboard a U.S. spacecraft, for the first time since the end of the Space Shuttle era. Image Credit: NASA

Eight months after it was shortlisted as one of two finalists in the $6.8 billion Commercial Crew transportation Capability (CCtCap) […]

Not So Permanent? Ground-Commanded Robotics and Space Station Crew Support Leonardo PMM Relocation

NASA image, detailing the removal (blue) of the Leonardo Permanent Multipurpose Module (PMM) from the Unity nadir interface and its installation (green) onto the forward port of the Tranquility node. Image Credit: NASA

The U.S. Orbital Segment (USOS) of the International Space Station (ISS) looks more like a flat-bottomed boat tonight, following Wednesday’s successful […]