From stray pens to birds, Mike Leinbach, retired launch director, explains why shuttle launches sometimes got scrubbed.

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Sierra Space’s Dream Chaser, the spacecraft that looks like a miniature space shuttle, doesn’t have a target launch date yet but it does have “undisclosed national security and commercial customers,” ...

A detailed animated look at the process of getting the Space Shuttle into Earth orbit, with most operations shown at Kennedy ...

Add Yahoo as a preferred source to see more of our stories on Google. A view of the Space Shuttle Endeavour during a preview of the new Samuel Oschin Air and Space Center at the California Science ...

China's new Haolong space cargo shuttle. See it launch in this animation. Credit: Space.com | footage courtesy: China Central ...

Orlando Sentinel photographer Joe Burbank caught an amazing photo of the final flight over the Magic Kingdom’s Space Mountain as the sun was rising, while then staff photographer Red Huberr, now ...

With SpaceX now launching its reusable Falcon 9 rocket up to several times a week, the U.S. company has quickly become a giant of global spaceflight. It's a far cry from the days of America's Space ...

On September 17, 1976, NASA revealed the Enterprise—its first space shuttle, named after Star Trek's starship. Discover how this pioneering craft shaped American spaceflight history.