Anyone with even a cursory knowledge of the 1986 explosion of the space shuttle Challenger knows it was a national tragedy. But dig a little deeper, and it's even more heartbreaking.

Hearing her voice and hearing what she stood for and hearing her be a champion for the field of education, I thought, was ...

Chernobyl Nuclear Disaster**: The catastrophic nuclear accident at Chernobyl in 1986 not only ... Space Shuttle Enterprise – ...

Sally Ride became the first American woman to go to space in 1983 on board the Space Shuttle Challenger ... a year after the Space Shuttle Columbia disaster, which killed all seven astronauts ...

(This practice mostly ceased after the Challenger shuttle explosion of 1986, after which the military shifted to expendable rockets.) NASA focussed on reducing space costs, while the Soviet Union ...

27, 1962, and It took the spacecraft three and a half months to reach Venus. — Space History Photo: Kennedy Receives Mariner 2 Model — The 10 Weirdest Facts About Venus — Top 10 Extreme ...

CAPE CANAVERAL, Fla. — A tech billionaire who bought a series of spaceflights from Elon Musk 's SpaceX and conducted the ...

The space shuttle Challenger exploded on live TV, 73 seconds after launch ... "And what I quickly discovered was that most of ...

The film delves into McAuliffe’s journey, from her beginnings as a social studies teacher at Concord High School to her historic selection for the Space Shuttle Challenger mission, and also ...