Add Yahoo as a preferred source to see more of our stories on Google. Florida State University history professor Ronald Doel vividly remembers what he describes as the “deeply emotional moment” of the ...

CAPE CANAVERAL, Florida -- Families of the astronauts lost in the space shuttle Challenger accident gathered back at the launch site last Thursday to mark that tragic day 40 years ago. All seven on ...

CAPE CANAVERAL, Fla. (AP) — A large section of the destroyed space shuttle Challenger has been found buried in sand at the bottom of the Atlantic, more than three decades after the tragedy that killed ...

Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event live in school. Forty years later, many of those ...

Weigh data properly. In the Challenger story, the decision-makers weighted heavily the recent string of accident-free launches and the morning’s temperature increase thanks to the postponement. The ...