What are the giant-sized “flying worms” being photographed in the sky around the world, what are they for, and where are they from?

These are an Arcturian creation. It is part of the work done by the alien Greys as part of their agenda, which is a multipronged assault on humanity in addition to their own personal aims to have a gain in function from studying the human genome and transferring human characteristics to their own makeup. What is going on with the "sky worms" is the deployment of various forms of sensing devices. This is normally cloaked but is increasingly being done out in the open as part of the disclosure planning, to have many, many humans be an eyewitness to extraterrestrial craft and appearances that may be bizarre because they are, after all, an extraterrestrial presence and a technology that is highly unconventional by human standards, but also will come away feeling inspired, in awe, but not threatened personally, and this will be a combination of experiences with an emotional anchor that will be highly convincing for people when the extraterrestrials come forward to describe their presence here with a false message "they are here to help" and it will dupe the masses into accepting this at face value to their peril.