It has been 40 years since NASA launched the first dedicated Department of Defense Space Shuttle mission, after which ...
For millions, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy ...
It's been 39 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...
NASA recently paid tribute to the Challenger crew and other fallen astronauts during its annual Day of Remembrance.
Corrections & Clarifications: An earlier version of this story misstated the date of the Space ... first time a civilian, McAuliffe, had flown on a shuttle. Classrooms across America watched the ...