Assuming no hoaxes or made up stuff involved, apparently, there was human, or human like life, long before Adam and Eve.

Everything We Have Been Taught About Our Origins Is A Lie - Malta Now (http://www.maltanow.com.mt/?p=2927)

From the other side of the story: http://www.badarchaeology.com/?page_id=315

The "Hammer" in question, from London, TX, was in fact found amongst what was left of a meteor that impacted Earth some 500 million years ago. Old news.