NASA astronaut Don Pettit is drawn to the science of opportunity. These projects aren't funded by NASA or cooked up in a lab. In fact, some are quite simple. Pettit packed a wire frame for his latest ...

Without a doubt, there's no question that there'd be no International Space Station without Skylab. That's why this piece of ...

Some of the main modules of the International Space Station are nearly a quarter-century old. "That's considered classic for a car," said Bennett Maruca, an astronomer and physicist at the University ...