Add Yahoo as a preferred source to see more of our stories on Google. Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air over Florida, killing all seven ...

Forbes contributors publish independent expert analyses and insights. Peter Suciu covers trends in the world of aerospace and defense. The Space Shuttle Discovery (OV-103) would need to be cut into ...

Most rare coins experts expect these to become the most valuable modern coins ever sold, Stack's Bowers Galleries claimed. The mission, STS-93, most prominently helped deploy the Chandra X-Ray ...

The choice of the Boeing 747 as the primary aircraft to ferry the Space Shuttle orbiter was a decision rooted in the jumbo jet’s size, strength, and availability during the 1970s. This unique ...

The space shuttle system has been modified many times since the first launch of space shuttle Columbia in 1981. During the 1980s, major upgrade programs were established to respond to problems and ...

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members. Among the seven crew members were five NASA astronauts, as well as a payload ...

(CNN) - Wednesday marks the 40th anniversary of the Challenger space shuttle explosion. It was a moment of collective grief on Jan. 28, 1986, when the space shuttle exploded during a live broadcast.

Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all 7 crew members. Among the seven crew members were 5 NASA astronauts, as well as a payload specialist ...