You can now own a $1 gold coin celebrating one of America’s most revolutionary achievements: the NASA Space Shuttle program.

NASA's space shuttle was the world's first reusable spacecraft. It launched like a rocket and returned to Earth like a glider, landing like an airplane on a long concrete runway. It was designed ...

It's been exactly 20 years since the Space Shuttle Columbia disintegrated as it returned to Earth, killing all seven astronauts on board: commander Rick Husband, pilot Willie McCool, mission ...