After working to improve the booster design and creating new management practices to improve safety, NASA relaunched shuttle flights on Sept. 29, 1988, when Discovery lifted off from the space center.

WASHINGTON — It's been 39 years since the Challenger space shuttle explosion, one of NASA's most devastating tragedies. NASA's Challenger shuttle exploded 73 seconds after lifting off on Jan.

The best Lego space sets you can currently buy include realistic NASA-branded rockets and fun ... your very own scale model of the Space Shuttle Discovery, it also comes with a Hubble Telescope.

But with NASA's X-59 plane, that could change. The space agency plans for the ... where the rumble won't be directed toward Earth's surface. Cockpit / Windscreen: The X-59 is extremely skinny ...

The seven astronauts were killed when the shuttle broke apart on Jan. 28, 1986. (NASA) KENNEDY SPACE CENTER, Fla. – On a cold Jan. 28, 1986, the space shuttle Challenger lifted off from a ...

WASHINGTON — It's been 39 years since the Challenger space shuttle explosion, one of NASA's most devastating tragedies. NASA's Challenger shuttle exploded 73 seconds after lifting off on Jan. 28, 1986 ...