World's oldest known fossils push evidence for life back by 220 million years

The oldest fossils known to date have been discovered in 3.7 billion-year-old rocks in Greenland by an Australian-led team of researchers.
Read more: http://www.abc.net.au/news/2016-09-01/worlds-oldest-fossils-in-3.7-billion-year-old-rocks-in-greenland/7802336?source=Snapzu