'Why I Wasn't Devastated': Remembering the Final Shuttle-Mir Mission, 20 Years On

STS-91 marked the ninth and final docking mission between the shuttle and Russia’s Mir space station. Photo Credit: NASA

Twenty years ago, this week, shuttle Discovery pulled away from Russia’s Mir space station for the final time, closing out a group of impressive rendezvous and docking missions which had cemented a new partnership between […]

'Even Better at Night': 25 Years Since the Artificial Sunrise of STS-56

Twenty-five years ago, after one false start, Discovery roared into space to begin a mission of exploration for the Home Planet. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Twenty-five years ago, tonight, in the seconds leading up to 1:29 a.m. EDT on 8 April 1993, all eyes were on the three dark bells of Discovery’s […]

Remembering the Dogs of War: 25 Years Since Discovery Closed Out the Shuttle's Military Career

The STS-53 crew, aboard Discovery, during their mission, a quarter-century ago. From left are Guy Bluford, Michael “Rich” Clifford, Dave Walker, Jim Voss and Bob Cabana. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Twenty-five years ago, the five-man crew of shuttle Discovery settled into orbit for a mission about which a cloak of secrecy would […]

'As Exciting As It Gets': Remembering John Glenn's Return to Space

On 29 October 1998, at the age of 77, John Glenn became the oldest person ever to venture into space. It is a record which still stands. Photo Credit: NASA

Nineteen years ago, today, John Glenn—who had found fame as the first American to orbit the Earth—became the oldest human being ever to break […]

Launching in the Rain: The Delays and Ascent of Mission 51I

On the cusp of daybreak, Mission 51I spreads its wings on 27 August 1985, kicking off one of the most dramatic Shuttle flights in history. Photo Credit: NASA

Thirty-two years ago, today, Space Shuttle Discovery roared into the pre-dawn darkness from historic Pad 39A at the Kennedy Space Center (KSC), on an ambitious mission […]

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 […]

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, Payload […]

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 1993—during […]

'In A Heartbeat': 25 Years Since STS-42 Inaugurated International Space Year (Part 2)

Discovery spears for orbit on 22 January 1992, after an hour-long delay, caused by a fuel cell anomaly. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

A quarter-century ago, this month, a space mission rooted in disappointment and tragedy finally took flight. Aboard Space Shuttle Discovery, astronauts from the United States, Germany, and Canada embarked on […]

'Traumatic Decisions': 25 Years Since STS-42 Inaugurated International Space Year (Part 1)

The tunnel adaptor for the IML-1 Spacelab module is prepared for installation in the Orbiter Processing Facility. STS-42 was the first human launch of International Space Year 1992. Photo Credit: NASA

Twenty-five years have now passed since the International Space Year (ISY) in 1992, during which 29 national space agencies and 10 international organizations […]