But just 73 seconds after blast-off, the shuttle burst into flames, leaving a cloud of smoke in the sky before it plummeted ...

Two Texas senators have introduced legislation that would strip the Smithsonian of the retired space shuttle Discovery and ...

for a final round of checks before integration ahead of its inaugural launch atop ULA's second Vulcan Centaur rocket. It's been a while coming. The spaceplane was one of a trio of vehicles ...