I dont think an alien will be a blob. If aliens are out there they should have evolved just like us. They should have eyes and be walking on two legs. In short if there is any life out there then it is likely to be very similar to us.
Simon Conway MorrisThe way Conway Morris goes about biting the hand that once fed him would make a shoal of piranha seem decorous.
Simon Conway MorrisOn a perfect planet such as might be acceptable to a physicist, one might predict that from its origin the diversity of life would grow exponentially until the carrying capacity, however defined, was reached. The fossil record on Earth, however, tells a very different story.
Simon Conway MorrisI am driven to observe of the ultra-Darwinists the following features as symptomatic. First, to my eyes, is their almost unbelievable self-assurance, their breezy self-confidence.
Simon Conway Morris