An engineer who once worked with NASA says he has built a machine that can push against gravity without burning a drop of fuel, a claim that, if true, would upend how rockets, satellites, and even ...

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

OXFORD, Miss. (AP) — A former engineer at a U.S. military air logistics center has been charged with making false statements and obstructing justice during the criminal investigation into a 2017 ...

A nuclear thermal propulsion engine could cut the travel time in half for future space explorers racing to the Red Planet.

Modeling a propulsion system that makes ocean shipping more sustainable by converting the pitching motion of a ship into ...

OXFORD, Miss. (AP) — A former engineer at a U.S. military air logistics center has been charged with making false statements and obstructing justice during the criminal investigation into a 2017 ...