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.

When the space shuttle Challenger blew up in 1986 ... But what was more shocking was that the cause of the disaster might never be uncovered. The Challenger is the story of how Richard Feynman ...

The space shuttle Challenger exploded on live TV ... "And what I quickly discovered was that most of what I found was focused ...

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

Space History Photo: Kennedy Receives Mariner 2 Model — The 10 Weirdest Facts About Venus — Top 10 Extreme Planet Facts NASA reported several technical problems along the way, but Mariner 2 ...

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 ...

The book reads like a thriller novel, and the story it tells holds many lessons. The Challenger disaster is first a timeless ...

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 ...