The day before the Challenger launch disaster, senior NASA official James Beggs made an urgent phone call to the agency's chief engineer. Beggs was on temporary leave from his NASA administrator ...

The commander of the ill-fated flight of space shuttle Challenger is being remembered 40 years after his first spaceflight with a commercial spacecraft bearing his name. NASA astronaut Francis R.

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While on leave in January 1986, NASA administrator James Beggs turned on the television and spotted icicles on Challenger's launch tower. A day later, seven astronauts lost their lives. When you ...