Scientists clueless on what aliens may look like. Scientists clueless on what aliens may look like One artist's version of what alien life might look like. Hollywood has it all figured out.
Aliens have big heads and glowing fingers, or crinkled skin draped over massive foreheads.
But science fact doesn't have the luxury of Tinseltown animation and makeup to determine what aliens might look like - so scientists don't have a clue. However, scientists can make a few guesses based on life on Earth. Vastly different animal species share common systems, such as eyes to see, nervous systems to direct movement, ears to pick up sounds and tongues to taste. Scientists say it's logical, then, to think that other intelligent life forms might share the same kind of characteristics. They could have bilateral forms, just like us, with matching features on each side of the body - like our two arms, two ears, two eyes and two hands.