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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 ...

Antigravity -- Beyond rocket propulsion -- Onward and upward -- An etheric explanation -- The U.S. antigravity squadron -- Gravity beam propulsion -- Project skyvault -- Microwave phase conjugation -- ...

HELSINKI — Chinese commercial launch firm Orienspace is aiming for a late 2025 debut of its Gravity-2 rocket following a recent first-stage engine hot fire test. Orienspace announced July 8 that it ...

NASA engineers have successfully tested a new breed of reaction control engine and propulsion system. Aimed at furthering NASA’s space exploration goals, the tests helped investigate the possibility ...