This footage was captured by the International Space Station's base's cameras, where they released the on Facebook - and theories abound to exactly what this could be. The slightly infamous UFO investigators, Secure Team 10, has posted a video on it that is quickly accruing views. However, spectators can't help but clash over whether or not the images show an alien craft. Tyler Glockner, from Secure Team 10, adds..."He [the person who sent him this video] says he sees what looks like a fireball of some sort streak in behind ISS."
The unidentifiable object comes out of the darkness of the feed, flies behind the ISS camera and gives us the briefest glance just before it disappears, shining some red lights on the ISS.
But how could it be a fireball in space? A place, by definition, does not contain any oxygen. In response, people are highlighting the fact that it may just be a meteor or other similar space event could explain the strange sight.
The video is at the top of this page, so you can decide for yourself.
The above picture is not related to the story and was provided by Wikimedia Commons.