Ready for a Margarita: 20 Years Since the Second Hubble Servicing Mission (Part 2)

Twenty years ago, on STS-82, the Hubble Space Telescope was transformed from a 1970s instrument with 1980s optics into an observatory for 21st-century scientific discovery. Photo Credit: NASA

Two decades ago, yesterday, on 11 February 1997, Space Shuttle Discovery roared into the night with a seven-strong crew—Commander Ken Bowersox, Pilot Scott “Doc” Horowitz, […]

Tooled Up for a Telescope: 20 Years Since the Second Hubble Servicing Mission (Part 1)

Barely illuminated by sunlight, Joe Tanner is pictured during EVA-4 on STS-82. Photo Credit: NASA

Twenty years have now passed since a seven-man rocketed into the night to begin the second servicing mission to the $1.5 billion Hubble Space Telescope (HST). Coming on the heels of the ambitious STS-61 shuttle flight in December […]

'Easier to Destroy Than Create': 15 Years Since STS-105 (Part 2)

STS-105 Mission Specialist Dan Barry translates along the U.S. Destiny lab during one of the flight’s two EVAs. Photo Credit: NASA

Fifteen years have now passed since Shuttle Discovery dropped off and picked up crew members at the International Space Station (ISS) and supported a pair of Extravehicular Activities (EVAs) to transition the […]

'To Train a Mission': 15 Years Since STS-105 (Part 1)

Fifteen years have now passed since STS-105 exchanged crews and supplies at the International Space Station (ISS). Photo Credit: NASA

Fifteen years ago, this month, 10 astronauts and cosmonauts from the United States and Russia celebrated 1,000 days of orbital operations for the International Space Station (ISS). In August 2001, Shuttle Discovery’s STS-105 […]

'Broken at the Boom': 20 Years Since STS-75 (Part 2)

Spectacular view of Columbia’s payload bay and aft compartment, during STS-75. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Two decades ago, Space Shuttle Columbia rocketed into orbit carrying one of the most unusual experiments on record: the reflight of the Tethered Satellite System (TSS-1R). It was intended to demonstrate the “electrodynamics” of a conducting […]

'A Little Adrenaline Rush': 20 Years Since STS-75 (Part 1)

The STS-75 crew pose for their official portrait. Seated are Pilot Scott “Doc” Horowitz, Commander Andy Allen, and Payload Commander Franklin Chang-Diaz, with Maurizo Cheli, Umberto Guidoni, Jeff Hoffman, and Claude Nicollier standing. Photo Credit: NASA

Twenty years ago, Space Shuttle Columbia rocketed into orbit carrying one of the most unusual experiments on […]

'A Lot of Unknowns': 17 Years Since the Shuttle's Second Hubble Servicing Mission (Part 1)

Barely illuminated by sunlight, Joe Tanner is pictured during EVA-4 on STS-82. Photo Credit: NASA

Seventeen years ago this week, NASA launched its second shuttle Servicing Mission (SM-2) to the Hubble Space Telescope (HST). The $1.5 billion observatory has earned itself a well-deserved reputation as one of the most successful space-based instruments ever […]