The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...

HOUSTON (CNN) — NASA's Space Shuttle Challenger lifted off 40 years ago with an unusual crew. In addition to six astronauts, the mission took flight with a teacher on board. Christa McAuliffe, the ...

Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air, killing all seven crew members aboard. The disaster occurred at what was then the pinnacle of the U.S.

Forty years ago, Space Shuttle Challenger disintegrated 73 seconds into its flight, killing its crew of seven and exposing the management culture and decision-making process that led NASA to launch on ...

Editor's note: This story contains discussion of astronaut fatalities and dangerous moments in human spaceflight. It was 40 years ago today (Jan. 28) that the space shuttle Challenger blasted off on ...

The Challenger disaster still hits harder than almost any other spaceflight tragedy because it did not feel random. This video shows how political pressure, public relations, ignored warnings, and ...

Though the Challenger disaster brought an end to Teacher in Space, educators in the years since have found other paths to orbit. Barbara Morgan, an elementary school teacher who had trained as ...