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 ...

Space exploration has always been constrained by one fundamental issue: the need for fuel. Traditional rockets require vast amounts of propellant, which limits their range and the scope of their ...

Dr Charles Buhler has been the lead NASA scientist on Electrostatics. An experiment last month was sent to the moon and showed success against a decades long problem of lunar dust. Buhler believes his ...