William Lucas, a key NASA figure during the 1986 Space Shuttle Challenger disaster ... blaming the booster rockets' "faulty ...

Jan. 28, 2021, marked the 35th anniversary of the space shuttle Challenger accident that claimed all seven lives on board in 1986. This photo provided by NASA shows the crew of space shuttle ...

Joints between the cylindrical sections of the rockets had a design flaw that ... the astronauts killed in the explosion of the space shuttle Challenger. She was to be the first American teacher ...

By the time of the Challenger disaster, Dr. Lucas was serving as director of the Marshall Space ... to a design flaw in the solid-fuel booster rockets, which propelled the shuttle's ascent and ...