Former President Barack Obama said he did not see evidence that aliens "have made contact with us," after sending social media abuzz by saying aliens were real on a podcast over the weekend.

Based on “tremendous interest shown,” Trump said in a social-media post Thursday night, he will direct the defense secretary and relevant departments to begin the process of releasing government files...

Trump’s post said in part, “Based on the tremendous interest shown, I will be directing the Secretary of War, and other relevant Departments and Agencies, to begin the process of identifying and relea...