Donald Trump’s pledge to release official files relating to UFOs has intrigued conspiracy theorists who suspect the US government has hidden evidence of alien activity on Earth.

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 ...

Former US President Barack Obama said he’s seen no evidence that aliens have made contact with Earth, clarifying his position on extraterrestrials after comments he made in a podcast went viral.

Former President Barack Obama says aliens are real, but a famous conspiracy theory about them is wrong. Obama spoke about extraterrestrials in a new interview with podcast host Brian Taylor Cohen, who ...