Mystery of our origins: Panspermia?

When we debate about the origins of our species Homo Sapiens Sapiens, we are usually referring to humanlike creatures that appeared about 4 million years ago. From Australopithecus, Homo Habilis, Homo Erectus, to the more recent Homo Sapiens neanderthalensis, we have researched intensely about the possibilities of our ancestors on earth, and not how we…