Photos and videos of astronauts on the ISS show them floating around, but saying there's zero gravity isn't fully accurate.

A: I have flown many times in zero-gravity airplane flights. Each time I still enjoy the feeling of floating free, the ability to fly across the cabin from just one gentle push on the wall, just like ...

We've all had dreams of being up in space and experiencing the freedom of zero gravity, no longer bound by the strange force that keeps us stuck on the ground. But this experience is limited to the ...

Airplane flight is one of the most significant technological achievements of the 20th century. The invention of the airplane allows people to travel from one side of the planet to the other in less ...