Ed Dwight, a former Air Force test pilot who was passed over to become an astronaut in the 1960s, described his flight aboard Blue Origin's New Shepard as "life changing."

Edward J. Dwight Jr. is set to be on the next Blue Origin rocket into space. The rare opportunity comes more than six decades after he was passed over to become a NASA astronaut.

All week, On Second Thought has shared stories about people whose unsung contributions to the Apollo 11 mission 50 years ago. One of those pioneers is...

Every day, millions of Americans use -and often rely on- GPS technology to help them navigate their commutes and get precise directions to their...