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). […]

In Their Own Words: Astronauts on 25 Years of Hubble (Part 2)

The Hubble Space Telescope appears to “fly” over Earth as it is photographed during STS-109. Photo Credit: NASA

Today marks 25 years since the launch of the STS-31 mission (Discovery), which lofted the Hubble Space Telescope (HST) into orbit. AmericaSpace continues its tribute to the service life and achievements of HST, which began yesterday […]

In Their Own Words: Astronauts on 25 Years of Hubble (Part 1)

IMAX view of the release of the Hubble Space Telescope (HST) in April 1990. Photo Credit: NASA

While the astronauts aboard Space Shuttle Discovery may not have yet known it, April 24, 1990, was a watershed date not just in spaceflight history, but in human history: STS-31 launched from LC-39B at NASA’s Kennedy Space […]

From Shuttle to Hubble: An Interview With Dr. Story Musgrave

The STS-61 crew restored full sight to the ailing Hubble Space Telescope in December 1993. Standing at top, from left: Richard Covey, Jeffrey Hoffman, and Thomas Akers. Seated at bottom, from left: Kenneth Bowersox, Kathryn Thornton, Dr. Story Musgrave, and Claude Nicollier (ESA). Photo Credit: NASA

In space shuttle history, there is one astronaut […]

Repair and Salvage: The First 50 Years of Spacewalking (Part 4)

During his historic untethered EVA with the Manned Maneuvering Unit (MMU) on 7 February 1984, Bruce McCandless ventured as far as 300 feet (90 meters) from Challenger. Photo Credit: NASA

Ironically, the spacecraft from which the most Extravehicular Activities (EVAs) were performed—the space shuttle—was not originally intended to carry the capability for spacewalking at […]

'Next Time, We Will Shake Your Hand': 20 Years Since STS-63 (Part 2)

The Mir space station, as viewed by the crew of STS-63. Photo Credit: NASA

Twenty years ago, next week, in February 1995, U.S. astronauts Jim Wetherbee, Eileen Collins, Bernard Harris, Mike Foale, and Janice Voss, together with veteran Russian cosmonaut Vladimir Titov, launched aboard Shuttle Discovery on one of the most ambitious missions in the […]

Shuttle on the Night Shift: 25 Years Since STS-33

STS-33 was the first nocturnal shuttle launch and landing of the post-Challenger era; entirely appropriate, perhaps, in light of the shroud of darkness which covered its primary payload. Photo Credit: NASA

A quarter-century ago, this week, in November 1989, the shuttle embarked on its first launch and landing in the hours of darkness since […]

'Quiet as a Crypt': The Shuttle Launch Pad Aborts (Part 1)

Close-up view of Discovery’s three main engines—still exhibiting evidence of scorching from their momentary ignition on 26 June 1984—in the wake of the shuttle program’s first RSLS abort. Photo Credit: NASA

Throughout its 30-year career—consciously or unconsciously—the space shuttle was acknowledged to be one of the most dangerous piloted space vehicles ever brought to […]

'You and the Rest': Twenty Years Since NASA's Dramatic Hubble Repair Mission (Part 2)

Story Musgrave works at the end of Endeavour’s mechanical arm during activities to service the Hubble Space Telescope. Photo Credit: NASA

Twenty years ago this week, the singular space shuttle mission which marked the demarcation between past and future took place. Since the resumption of flights in September 1988, following the horrific loss of […]

'You and the Rest': Twenty Years Since NASA's Dramatic Hubble Repair Mission (Part 1)

Laden with tools and equipment, Jeff Hoffman waves from the end of the RMS arm during Hubble repair operations. Photo Credit: NASA

Twenty years ago this week, the singular space shuttle mission which marked the demarcation between past and future took place. Since the resumption of flights in September 1988, following the horrific loss […]