A flying object is seen on Vancouver Island, British Columbia, in this 1981 photograph. The “truth” may still be “out there”, as fans of The X-Files will argue, but the British military authorities are no longer looking for it. Photograph: Reuters

The last of the British government’s UFO files have been released.The “truth” may still be “out there”, as fans of The X-Files will argue, but the Bri(...)