Chinese scientist ignites global UFO debate with paper hinting at antigravity propulsion and inertial mass cancellation.

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet ...

Space exploration has always relied on the continuous improvement of spacecraft propulsion systems. As humanity dreams of reaching new frontiers, like Mars and beyond, one area of focus has been ...

Few names in the UFO world provoke as much fascination and frustration as Bob Lazar. More than three decades after he first went public, Lazar remains the most famous whistleblower to claim he worked ...