[Jonty30]

Travelling millions of light-years and not being able to avoid our tiny rock. What are the odds?

If there is any truth to this, it's more likely that they are forms of singularities, combination of biology and technology.

[bk1000]

They are protoplasm creatures inhabited by demons. Their ships travel Interdimentionaly. I have no proof, but I believe this.

[gbaker]

And I have a bridge I’ll sell you as well.

[Nateman]

Not only found 4 alien species but dug up this neat alien artifact on the Moon!