In Search of Alien Viruses

In Search of Alien Viruses | Mysterious Universe: "There is one thing that we can say for sure about the UFO presence on our world: it acts in a decidedly stealthy manner. It never lays its cards fully on the table. It lurks in the shadows. It surfaces only briefly, tantalizing and amazing those  for whom it manifests. After which, like a typical chain-rattling spectre  it’s gone again. It’s not – so far as we know – overtly hostile. On the other hand, it has done nothing to help improve our situation on Earth, either. In that sense, the phenomenon is more than a bit of a conundrum."