Gravitic propulsion systems offer a game-changing solution by using gravity itself as a driving force. This blog breaks down 10 major advances in gravity-based space tech, from T. Townsend Brown's ...

How do these so-called “gravitic propulsion systems” work ... bad the military would never publicly admit it has futuristic gravity weapons.

Blue Origin's NS-29 New Shepard rocket is scheduled to launch Feb. 4 after a weeklong delay. Here's what to know ...

NASA's MARVL project is developing a modular nuclear electric propulsion system for faster Mars travel. Robotic in-space assembly and advanced cooling tech could cut trip times in half.