The purpose of the January 28, 1986 Challenger flight, STS-51-L, was to launch the first Teacher in Space Project while also observing Halley's Comet for six days. Unfortunately, a structural failure ...
NEW YORK — Many Americans have vivid memories of Jan. 28, 1986. That was the day the space shuttle Challenger exploded over a chilly Florida, just seconds after liftoff. Schoolchildren across the ...