Missed Warnings: The Fatal Flaws Which Doomed Challenger 32 Years Ago (Part 2)

This photograph of the space shuttle Challenger accident Jan. 28, 1986 was taken by a 70mm tracking camera at UCS 15 south of Pad 39B, at 11:39:19.261 EST. Photo credit: NASA

At 11:39 a.m. EST on 28 January 1986, the unthinkable happened, when shuttle Challenger was lost, a mere 73 seconds after liftoff. All […]

Missed Warnings: The Fatal Flaws Which Doomed Challenger 32 Years Ago (Part 1)

Of all the fragments of Challenger which were recovered, this shard of the craft, bearing part of her name, was particularly poignant. Photo Credit: NASA

On 7 March 1986, six weeks after the loss of Challenger, divers from the U.S.S. Preserver found the remains of the ill-fated shuttle’s crew cabin. It “was disintegrated, with […]

Christa McAuliffe's Lessons Remembered, As Space Station 'Year of Education' Enters Second Half

Members of the 51L crew during training. From left are Ellison Onizuka, Ron McNair, Greg Jarvis, Judy Resnik, Christa McAuliffe (seated on table) and backup crew member Barbara Morgan. Photo Credit: NASA

Just a few days shy of the 32nd anniversary of the loss of Challenger, NASA astronauts Joe Acaba and Ricky Arnold announced […]

NASA ‘IMAGE’ Satellite Believed Dead Long Ago May Have Just Come Back to Life

NASA’s Imager for Magnetopause to Aurora Global Exploration, or IMAGE, spacecraft during processing. Photo: NASA

NASA’s first satellite dedicated to imaging the Earth’s magnetosphere, the ‘Imager for Magnetopause to Aurora Global Exploration’ mission, was declared dead in 2005 after a successful 5.8 years of operations. But a satellite tracker on the hunt for the […]

Spacewalkers Vande Hei and Tingle Service Space Station Robotic Arm

Scott Tingle became the 222nd human to perform an Extravehicular Activity (EVA) on Tuesday, 23 January. His spacewalk with Mark Vande Hei lasted seven hours and 24 minutes and successfully replaced the Latching End Effector (LEE)-B on Canadarm2. Photo Credit: NASA/Twitter

A pair of fiftysomething fathers labored for seven hours and 24 minutes earlier […]

'Fire in the Hole': 50 Years Since Apollo 5, First Lunar Module Test-Flight

An unusual sight greeted Cape Kennedy spectators at sunset on 22 January 1968, as the “stubby” Saturn IB, bearing only Lunar Module (LM)-1, rose to orbit. Photo Credit: NASA

By a strange quirk of fate, NASA’s Apollo 5 mission—which launched 50 years ago, this week—used the same booster as should have been ridden by […]

'Quite a Feeling of Being Alone': 25 Years Since Endeavour's Vanilla-to-Chocolate STS-54 Mission

The base of the Inertial Upper Stage (IUS), carrying the Tracking and Data Relay Satellite, departs Endeavour on 13 January 1993. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Twenty-five years ago, this week, the crew of STS-54 settled into orbit for one of the shortest shuttle missions of the decade, tasked with deploying the fifth […]

The Astronaut's Astronaut: Remembering John Young

Apollo 16 Commander John Young gazes across the rugged terrain during humanity’s fifth piloted lunar landing. Photo Credit: NASA

Astronaut John Young, who died recently at age 87, reduces yet further the number of veteran Moonwalkers who are still with us. Only five men—all in their 80s—can now claim to have experienced the one-sixth […]

Rediscovering the Moon: 20 Years Since Lunar Prospector

Launched 20 years ago, Lunar Prospector returned significant data pertaining to the Moon’s gravity, internal composition, origins and water-ice content. Image Credit: NASA

Twenty years ago, NASA’s Lunar Prospector spacecraft began an 18-month mission of discovery, revealing the Moon to potentially harbor vast water-ice reserves at its poles and offering tantalizing clues of a […]

Remembering John Young, an 'Astronaut's Astronaut', Gone at Age 87

Apollo 16 Commander John Young gazes across the rugged terrain during humanity’s fifth piloted lunar landing. Photo Credit: NASA

John Young, one of only 12 humans to have walked the dusty surface of the Moon, one of only three of mankind’s sons to have traveled twice to lunar distance, the only astronaut to fly […]