Inside NASA's space shuttle Challenger disaster that could have been stopped 40 years ago

Forty years ago, the Challenger space shuttle disintegrated just after lift-off. A small team of engineers tried to prevent ...
Opinion

Challenger, 40 years on: the space shuttle disaster watched live by millions of children

Nasa’s avoidable tragedy exemplified 1980s overconfidence and haunted a generation, but the allure of space exploration endured ...