The concept of a completely reusable space shuttle was first discussed in the 1960s, before the Apollo lunar landing spacecraft had flown. Over time, to minimize cost, the National Aeronautics and ...

(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 ...

On February 1st, 2003 at eighteen seconds past 9:00 AM Eastern Standard Time, the Space Shuttle Columbia broke up during atmospheric entry over Texas. Still traveling at approximately Mach 18.3 ...

It was his last journey into space. Young had been due to command a space shuttle flight in 1986 but it was cancelled after the explosion of the shuttle Challenger earlier that year.