NASA cameras have captured hundreds of unexplained images as well as compelling film footage of UFOs above the Earth. These images of swift moving objects, hovering orbs and even a space battle, are proof of the existence of ET visitors to Earth, claim UFO enthusiasts .

NASA's official stance on the incident, however is that these objects are merely dust floating around in space. The speculation continues to fly regarding these fascinating videos, many of which were captured by the International Space Station and NASA satellites orbiting Earth.

A stunning video, just released by YouTube user StephenHannardADGUK, puts many of these now famous sightings together with an eerie but dramatic soundtrack: