This urban legend has survived decades despite being thoroughly debunked by top military brass.

Add Yahoo as a preferred source to see more of our stories on Google. It is a cheesy B-movie, an iconic X-Files episode, and possibly the best-known World War II legend alongside the Nazi Gold Train.

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The Philadelphia Experiment. October 28, 1943. The day the U.S. Navy allegedly cracked time travel, teleportation, and invisibility—or so the story goes. What really happened was far more terrifying.

Much has been made of unidentified flying objects over the years, including a testimony before Congress last year. But what about unusual floating objects? One supposed supernatural event focuses on ...

David Herdeg's participation in a failed 1943 experiment in radar invisibility has propelled him 40 years into the future. An aberration in his genetic makeup enabled him to pass through the portal of ...

A secret government research project tries reviving the World War II "Philadelphia Experiment," which was an attempt to create a cloaking device to make warships invisible. When the experiment ...