Stolen Soviet files released by George Knapp reveal a massive cover-up of UFO encounters, giant aliens, and abductions ...

Recently revealed documents, smuggled out of Russia, disclose the Soviets' extensive investigations into thousands of ...

An all-new series will investigate the veracity behind personal accounts of otherworldly experiences when ALIEN ENCOUNTERS: FACT OR FICTION premieres Wednesday, June 19 at 10PM ET/PT on Discovery ...

One night in 1957, Antônio Vilas Boas was plowing his field in rural Brazil when he saw mysterious red lights flying through the sky. What he presumed was a spacecraft landed in a nearby field.