Alien Visitors Always Look Like Potato Fetuses

Why are aliens always such a cliche? This one is a mockup of the Roswell Alien from the Museum of Science's new exhibit, "The Science of Aliens," which opens Sunday. Click through for more images, including figures from Aliens and Alien Autopsy.Images by David Adame for AP.

Alien Visitors Always Look Like Potato Fetuses

Alien Visitors Always Look Like Potato Fetuses

Alien Visitors Always Look Like Potato Fetuses

Alien Visitors Always Look Like Potato Fetuses

Alien Visitors Always Look Like Potato Fetuses