Radian’s solution is a rocket-powered sled that runs along a two-mile rail and accelerates up to Mach 0.7 — 537 mph (864 kilometers per hour) — before releasing the space plane, which then ...

A rocket sled would accelerate the plane to over 500 mph before releasing it, allowing its onboard engines to complete the final push into orbit. Radian explains that this unconventional two-part ...

The new spaceplane, called Radian One, is set to be fully reusable and is designed to replace traditional vertical launches with a rocket-powered sled system. "We believe that widespread access to ...

Plans to build and launch the Radian One, a crew carrying space craft could transform the future of travel, with the plane being catapulted into space via a rocket powered sled at 500mph.

Video released by ISRO shortly after the trials shows the successful deployment of a drogue chute while traveling at high velocity on a rocket-powered rail track sled. Breaking space news ...

HOLLOMAN AIR FORCE BASE, N.M. -- Rocket sled testing is critical to bridging the gap between the laboratory and full-scale flight tests for weapon systems under development.

The product of this updated technology is the Radian One, a new space plane that will replace vertical launch with a very unusual system — a rocket-powered sled. To be able to escape the Earth ...