President Trump vowed this week to release the government's files on aliens and UFOs, the latest instance of declassifying records that have fueled Americans' fascination with conspiracies for decades.

Rep. Thomas Massie (R-Ky.) had a close encounter of the skeptical kind after Donald Trump ’s UFO announcement.

‘The apparent disconnect between Trump saying Obama revealed classified information – simply by saying “they’re real” – and then saying he’s not aware of an extraterrestrial smoking gun is striking an...