The announcement comes as Congress continues to scrutinize unexplained aerial phenomena. It’s been a big week for aliens in Washington.

In the 1990s, the Central Intelligence Agency dug into all it knew about the possibility of extraterrestrial visits, ultimately revealing what it found: Most of the supposed early UFO sightings were h...

"You're gonna be finding out over the next, probably, 10 days," the president said on Thursday.