Former President Clinton would not be surprised if aliens one day visited Earth.
Clinton discussed the prospect of extraterrestrial life during an appearance on "Jimmy Kimmel Live" on Wednesday night.
Clinton did, however, say that an outside invader might be the only way to unite the world.
"That may be the only way to unite this incredibly divided world of ours,” he said. “They are out there — we better think of how all the difference among people on earth would seem small if we felt threatened by a space invader. That is the whole theory of 'Independence Day.' "
Clinton said shortly after taking office he had his staff go through files related to the Roswell UFO incident and Area 51. Clinton said the secretive base tested a lot of stealth technology, but no aliens were there.
Clinton said new technology has revealed it is "increasingly less likely that we are alone."
"What do we know?" he asked. "We know now we live in an ever expanding universe. We know that there are billions of star and planets literally out there, and the universe is getting bigger."
"We know from our fancy telescopes that just in the last two years, more than 20 planets have been identified outside our solar system that seem to be far enough away from their suns and dense enough that they might be able to support some form of life, so it makes it increasingly less likely that we are alone," he said.