'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. […]

Baptism of Fire: 25 Years Since the Dramatic Rescue Mission of STS-49 (Part 2)

In the first, and so far only, three-person EVA, astronauts Rick Hieb, Tom Akers and Pierre Thuot manhandle Intelsat 603 into Endeavour’s payload bay for the attachment of a new rocket motor. Photo Credit: NASA

Twenty-five years ago, today, on 7 May 1992, Space Shuttle Endeavour launched into orbit on her maiden voyage, a […]

Throwback to the Good Old Days: 25 Years Since the Dramatic Rescue Mission of STS-49 (Part 1)

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 […]

Voyages of Endeavour: 25 Years Since NASA's Youngest Space Shuttle Took Flight (Part 2)

In December 1993, Endeavour’s fifth crew successfully captured, repaired and upgraded the Hubble Space Telescope (HST). STS-61 was one of the most ambitious and dramatic missions in the 30-year Space Shuttle Program. Photo Credit: NASA

Twenty-five years have now passed since the maiden voyage of Endeavour, the youngest member of NASA’s Space Shuttle fleet, […]

Voyages of Endeavour: 25 Years Since NASA's Youngest Space Shuttle Took Flight (Part 1)

Endeavour makes landfall under her own power for the final time on 1 June 2011, closing out a remarkable chapter in human space exploration. Photo Credit: NASA

From the moment she left Pad 39B at the Kennedy Space Center (KSC) in Florida, on the evening of 7 May 1992, to the instant her Main […]

Firing Up the Shuttle: 25 Years Since the Last Flight Readiness Firing (Part 2)

Each Flight Readiness Firing (FRF) presented the opportunity to extensively test the Space Shuttle Main Engines (SSMEs) in as close to real-flight operations. Photo Credit: NASA

A quarter-century ago, on 6 April 1992, the roar of three Space Shuttle Main Engines (SSMEs) echoed across the marshy landscape of the Kennedy Space Center (KSC) in […]

Firing Up the Shuttle: 25 Years Since the Last Flight Readiness Firing (Part 1)

Before each orbiter’s maiden voyage, the Space Shuttle Program completed a Flight Readiness Firing (FRF) of the three main engines. The last FRF, by Endeavour, occurred 25 years ago, this week. Photo Credit: NASA

“T-minus 31 seconds…Endeavour’s four redundant computers have primary control of critical vehicle functions for the remainder of the count…”

Twenty-five […]

'Our Own Little Spaceship': 15 Years Since the Flag-Bearing Mission of STS-108 (Part 2)

On STS-108, Linda Godwin became the only woman to have spacewalked outside both Mir and the International Space Station (ISS). Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

At the cusp of nightfall on 5 December 2001, Space Shuttle Endeavour dispelled some of the darkness which had cloaked the world for several months. Less than 12 […]

'Let Freedom Roar': 15 Years Since the Flag-Bearing Mission of STS-108 (Part 1)

As evidenced by these three hats on-console in the Mission Control Center (MCC) at the Johnson Space Center (JSC) in Houston, Texas, STS-108 truly let freedom roar on 5 December 2001. Photo Credit: NASA

Fifteen years ago, this week—as America and the world reeled from the 9/11 terrorist atrocities—Space Shuttle Endeavour launched on a […]