![Is there evidence aliens have visited Earth? Here's what's come out of US congress hearings on 'unidentified aerial phenomena' Is there evidence aliens have visited Earth? Here's what's come out of US congress hearings on 'unidentified aerial phenomena'](https://images.theconversation.com/files/464403/original/file-20220520-16-npefrs.jpeg?ixlib=rb-1.1.0&q=45&auto=format&w=1200&h=1200.0&fit=crop)
Is there evidence aliens have visited Earth? Here's what's come out of US congress hearings on 'unidentified aerial phenomena'
![BBC Radio 4 - The Infinite Monkey Cage - 10 reasons why aliens probably exist (but won't be visiting us anytime soon) BBC Radio 4 - The Infinite Monkey Cage - 10 reasons why aliens probably exist (but won't be visiting us anytime soon)](https://ichef.bbci.co.uk/images/ic/480x270/p0830t6m.jpg)
BBC Radio 4 - The Infinite Monkey Cage - 10 reasons why aliens probably exist (but won't be visiting us anytime soon)
![Gods and Spacemen Throughout History: Did Ancient Aliens Visit Earth in the Past?: Drake, W. Raymond: 9781948803427: Amazon.com: Books Gods and Spacemen Throughout History: Did Ancient Aliens Visit Earth in the Past?: Drake, W. Raymond: 9781948803427: Amazon.com: Books](https://m.media-amazon.com/images/I/51SP1fUaEuL._AC_SY780_.jpg)
Gods and Spacemen Throughout History: Did Ancient Aliens Visit Earth in the Past?: Drake, W. Raymond: 9781948803427: Amazon.com: Books
![Evidence of Extraterrestrials: Over 40 Cases Prove Aliens Have Visited Earth: 9780738767130: Agius, Warren: Books - Amazon.com Evidence of Extraterrestrials: Over 40 Cases Prove Aliens Have Visited Earth: 9780738767130: Agius, Warren: Books - Amazon.com](https://m.media-amazon.com/images/I/51ozaBwrN9L._AC_SY780_.jpg)