Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Because we needed to keep a running tally of friends and foes to navigate thorny hierarchies and shifting alliances, we had to have brains that were up to the task (which is why this theory is also ...

With their incredible intelligence, shape-shifting abilities, and strange anatomy, octopuses often seem almost otherworldly.

The curious minds at What If explore what would happen if octopuses were actually aliens from outer space.