If there's one thing everybody knows about ... it's barely anything at all. What we experience during spaceflight isn't zero ...

My body drifts up from the floor, and there is no force on me at all from any direction. I’m out over the Gulf of Mexico in G-Force One, a vintage Boeing 727 that belongs to the Zero Gravity ...

The final training will also include zero-gravity ... one of her longtime dreams. “I have wanted to go to space for almost 20 years,” Perry said. “I was investigating all of the possible ...