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In this video, we explore the mysterious world of anti-gravity propulsion, secret U.S. black projects, and eyewitness accounts that suggest something beyond our current understanding of physics is ...

For more than a century, gravity has been the immovable backdrop of modern physics, a force that can be described and exploited but never truly switched off. Now a former NASA engineer says he has ...

Authorities in Huntsville, Ala. are reviewing the death of a 34-year-old aerospace researcher who worked on experimental anti-gravity propulsion, adding to a growing list of scientists with ties to ...