'Safing In Work': Remembering Discovery's Almost-Liftoff, On This Day a Quarter-Century Ago

After a month-long wait for launch, following a harrowing pad abort on 12 August 1993, STS-51 thunders into space on 12 September. Photo Credit: NASA

“T-minus 30 seconds…”

The words of launch commentator George Diller at the Kennedy Space Center (KSC) in Florida at 9:12 a.m. EDT on 12 August 1993—a quarter-century ago, this […]

'Kind of Unique': Remembering Apollo's Deep-Space EVAs

Al Worden clambers across the exterior of Apollo 15’s service module during the first deep-space Extravehicular Activity (EVA), on this day in 1971. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

On this day in 1971, a fully-suited astronaut poked his helmeted head out of the side hatch of the Command and Service Module (CSM), named […]

NASA Assigns First Crews For Boeing Starliner & SpaceX Crew Dragon Flights

NASA introduced to the world on Aug. 3, 2018, the first U.S. astronauts who will fly on American-made, commercial spacecraft to and from the International Space Station – an endeavor that will return astronaut launches to U.S. soil for the first time since the space shuttle’s retirement in 2011. The agency assigned nine astronauts […]

'Limits to Inhibit': Remembering Challenger's Dramatic 51F Launch, On This Day in 1985

After one false start, Challenger roars into orbit on 29 July 1985, to begin the Spacelab-2 science mission. It would be one of the most dramatic near-misses in the 30-year shuttle program. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

More than three decades ago, one of the most complex Space Shuttle science missions ever undertaken […]

'Whatever Was Needed': Remembering the Hair-Raising Rise to Orbit of STS-93

After two false starts, Columbia rises to orbit at 1:21 a.m. EDT on 23 July 1999. Photo Credit: NASA

Almost two decades ago, on 23 July 1999, the first woman ever to lead a space mission was launched aboard shuttle Columbia to deliver NASA’s $1.5 billion Chandra X-ray Observatory into a highly elliptical orbit. […]

'About Once a Day': Remembering the Dual Launches of Apollo-Soyuz

Tom Stafford (right) shakes hands with his counterpart Alexei Leonov in the docking module tunnel on 17 July 1975. This grainy image represents the first serious effort at co-operation between the United States and Russia in human space exploration. Photo Credit: NASA

In spite of political differences, the United States and Russia have enjoyed […]

Summer of the Shuttle: Remembering the Ill-Fated Summer of '84

An ominous cloud of smoke billows away from Pad 39A in the seconds after a problematic Main Engine Start on 26 June 1984. Photo Credit: NASA

More than 30 summers ago, America’s shuttle program should have entered its prime. Touted for over a decade as capable of flying regularly and routinely, the early summer […]

A Sore Head: Americans in Space on Independence Day

On 4 July 1982, the crew of STS-4 became the first U.S. astronauts to spend Independence Day in space. It also marked the date of their spectacular return to Edwards Air Force Base, Calif. Photo Credit: NASA

For almost two decades, the Fourth of July—that most quintessential day of celebration in the United States—has […]

SpaceX Launches CRS-15 Dragon Into Stunning Twilight to Space Station

A flight-proven SpaceX Falcon 9 rocket and Dragon capsule loft the CRS-15 resupply mission into a morning twilight from Cape Canaveral, FL June 29, 2018. Photo: Alan Walters / AmericaSpace

Laden with approximately 5,900 pounds of payloads and supplies for the incumbent Expedition 56 crew of the International Space Station (ISS), SpaceX’s CRS-15 Dragon […]

Spectacular View Expected for SpaceX's CRS-15 Cargo Run to ISS Friday Morning

This weekend will see the 15th visit of a Dragon cargo ship to the International Space Station (ISS). Photo Credit: NASA

A major science instrument to monitor the temperatures and water requirements of plants and a new Latching End Effector (LEE) will be among 5,900 pounds of payloads and supplies heading uphill to the […]