Astrophysicist Neil deGrasse Tyson speaks with CNN’s Dana Bash about "never-before-seen files" on UFOs released by the FBI and the Pentagon last week. "Given the testimonies we have heard delivered in ...
A polarizing Harvard University astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security risks ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results