Who knows? Trans-dimensional beings that exist in our same space but in a different dimension? An ancient civilization from earth that live in the deep oceans? Could they be from somewhere else? Maybe, but the distance is so large it's hard to imagine anyone wanting to cross it just to find our tiny planet. Or maybe it's China with some new tech that we don't have, that would be the scariest option...
Who knows? Trans-dimensional beings that exist in our same space but in a different dimension? An ancient civilization from earth that live in the deep oceans? Could they be from somewhere else? Maybe, but the distance is so large it's hard to imagine anyone wanting to cross it just to find our tiny planet. Or maybe it's China with some new tech that we don't have, that would be the scariest option...
Time will tell. Disclosure is coming I assume.