Ok let me answer this question
Their are lots of claims about Bermuda Triangle
if we talk in Science mostly on Physics
Compass problems are one of the cited phrases in many Triangle incidents. The North Magnetic Pole is not the North Pole; rather it is the north end of the earth's magnetic field. The North Magnetic Pole does wander, but so slowly that the wandering would not be noticeable on time scale of a sea or air voyage. In general, the compass does not point exactly the direction of the North Magnetic Pole, but rather the compass needle aligns itself to the local geomagnetic field, which can vary in a complex manner over the Earth's surface
Methane Hydrates
An explanation for some of the disappearances has focused on the presence of vast fields of methane hydrates on the continental shelves. Laboratory experiments carried out in Australia have proven that bubbles can, indeed, sink a scale model ship by decreasing the density of the water any wreckage consequently rising to the surface would be rapidly dispersed by the Gulf Stream. It has been hypothesized that periodic methane eruptions may produce regions of frothy water that are no longer capable of providing adequate buoyancy for ships. If this were the case, such an area forming around a ship could cause it to sink very rapidly and without warning.
Airplanes may also be susceptible to any freak methane releases. Methane also has the ability to cause a piston engine to stall when released into the atmosphere, even at an atmospheric concentration as low as 1%. But although methane is lighter than air, the altimeter of an airplane traveling through it would not, contrary to popular belief, read that the airplane is higher than it really is, causing navigational problems. (Altimeters measure pressure, not the density of air.)
Source National Geographic Channel, Is It Real:Bermuda Triangle,Wikipedia.org
I dont claim this as my knowledge but a research. I did some research about this Bermuda Triangle long ago
Theories.
According to one theory the Bermuda Trianlge is a vortex of time that is randomly triggered in time. This vortex can open a gate that can bend time and space that creates a worm hole that opens a gate in time(who knows whats inside and whats lies at the end of the hole myb the ones who entered might answer but thats impossible). One thing is about UFO stuff less true..... The most popular case about this Bermuda Triangle is about the lost of Flight 19 a group of TBM avengers up on a routine flight mission on December 5, 1945 and never seen again.
Who knows what really is the true fact behind it time will tell.
its a Mysterious World were into.
Hope it helped.....