A New Hampshire man and three other crew members from the Polaris Dawn mission discussed their historic journey to space.

Scott Poteet, a retired U.S. Air Force pilot, described everything from preparation to takeoff as life-changing.

The Polaris Dawn crew is back on Earth, splashing down in the waters off the coast of Florida early Sunday morning.

SpaceX's Polaris Dawn mission was a spaceflight for the ages. Here's what the historic mission was like from launch to ...