The former president on why those waiting for Trump to disclose the existence of aliens are sure to be disappointed, and insisting first contact "hasn't happened yet."

Barack Obama dismissed alien cover-up conspiracy theories, telling Stephen Colbert the government is terrible at keeping secrets about UFOs.

The U.S. government has released a slew of never-before-seen files about UFOs.

Obama similarly pushed back on “little green men” conspiracy theories during an interview with “Late Show” host Stephen Colbert that aired Tuesday. “It hasn’t happened yet,” he said. Obama emphasized there’s no way such a secret could stay confidential.

The Trump administration has released more than 160 files relating to UFOs and UAPs. Announcing the release, President Trump said he had directed relevant