NASA tests inflatable pod on space station

Call it a bouncy castle at your peril: it's an expandable space habitat, don't you know. And it's to be the next big addition to the International Space Station, arriving in 2015 for a two-year trial.

Inflatable heat shield passes NASA test

NASA's successfully tested a revolutionary inflatable heat shield, taking it safely through Earth's atmosphere at up to 7,600 mph.