Alienígenas do Passado

Ancient Aliens explores the controversial theory that extraterrestrials have visited Earth for millions of years. From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings...[HISTORY Channel]

Giorgio Tsoukalos revisita algumas das estruturas mais incríveis do mundo.

Giorgio Tsoukalos revisa os encontros mais extraordinários que evidenciam a presença extraterrestre.

Conheça sobre a arte rupestre mais antiga e misteriosa do planeta.

Ufólogo analisa investigações e eventos que acredita indicar encontros reais com extraterrestres.

Giorgio Tsoukalos looks at evidence.

Ancient Aliens explores the controversial theory that extraterrestrials have visited Earth for millions of years. From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings...[HISTORY Channel]

Ancient Aliens has followed investigators across the globe as they've gone directly to the sites where signs of alien life have been found. Now, Giorgio Tsoukalos takes a look back at the most incredible evidence...[HISTORY Channel]

Em 2021, o governo dos EUA divulgou um relatório sobre fenômenos aéreos não identificados.