NASA is looking for new providers to supply low-gravity parabolic flights for spaceflight training and scientific research.

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 ...

As my arms lift from my sides, and the rest of my body follows suit toward the ceiling of a modified Boeing 727—next to scientists, astronauts, engineers and activists—I think, “How did I get here?” I ...