9. UFOs and Aliens Bermuda Triangle Theory
This is one of the most believed Bermuda triangle theories. It is believed that Bermuda Triangle is an area of inter-dimensional and interplanetary creatures, like UFOs and Aliens.
These creatures are advanced, so they always keep their existence away from human beings. They therefore choose the Bermuda triangle. So basically, they always want to show their mighty prowess by pulling the planes and ships down, whenever they traverse their territory.