life on earth

These Canadian Rocks May Contain The Oldest Known Traces Of Life

Traces of graphite in ancient Canadian rocks were produced by microorganisms 3.95 billion years ago, according to new research. (Image: Tsuyoshi Komiya, The University of Tokyo) Researchers working at a sedimentary rock formation in northern Labrador, Canada, say they have uncovered evidence of primordial life in 3.95 billion-year-old rocks. The…