The Space Age framed nuclear propulsion as a quiet rethinking of movement, distance, and endurance beyond Earth.

For more than a century, gravity has been the immovable backdrop of modern physics, a force that can be described and ...

A former NASA scientist claims to have developed a propulsion system that defies gravity without propellant, challenging the ...

"How do you get to Mars when the launch vehicle is not necessarily going to Mars?" ...

An engineer who once worked with NASA says he has built a machine that can push against gravity without burning a drop of ...