For the first time, two million-year-old DNA has been identified, opening a completely new and previously unexplored chapter in the history of evolution. The researchers have found microscopic fragments of environmental DNA in sediments in northern Greenland. The research is now presented in the journal Nature. Using advanced techniques, the researchers discovered that the fragments are a million... 

Two recent studies into ancient animal extinction appear to diametrically contradict each other, after a new university study claimed it was humans, and not climate change, that caused the demise of mammoths, sabretooth tigers and other ancient species. Just last July, research from the University of Adelaide and the University of New South Wales in Australia, published in the journal Science, made...