An curved arrow pointing right. Rockets can't just drive themselves to the launchpad — so NASA has two of the biggest vehicles ever built to get them there. Weighing in at 6 million pounds, the ...

That's where NASA's crawler-transporters come in. They're the largest self-powered vehicles on the planet, and they're designed to transport rockets to the launchpad. We got an inside look at how ...

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 ...

In the late 1970s, NASA faced a major dilemma: the Space Shuttle program was behind schedule ... touring the facility and learning about the "crawler," the massive vehicle used to transport ...