Billion-year-old rocks reveal traces of ancient life

A recent discovery of organic compounds in billion-year-old ancient rocks in Australia helps illuminate the early history of eukaryotes, according to a new study.

3.7-billion-year-old fossils show early life, Earth

3.8-Billion-Year-Old Rocks Reveal The Story Of Life's Origins

Human ancestors were walking upright 7 million years ago, ancient limb bone suggests, Science

Oldest dated rocks - Wikipedia

Evidence of 1-Billion-Year-Old 'Lost World' of Microbes Discovered beneath Australian Outback

Ancient meteorite could reveal the origins of life on Earth, News and events

Ancient rocks show life could have flourished

480-million-year-old fossils reveal sea lilies' ancient roots

Ancient Arrow Is Among Artifacts to Emerge From Norway's Melting Ice - The New York Times

Scientists discover a 2.5 billion-year-old ruby containing traces of ancient life

World's oldest fossils' may just be pretty rocks

Oldest genetic data from a human relative found in 2-million-year-old teeth

Traces of ancient life found in 1.6-billion-year-old rocks in Australia

Earth's Oldest Minerals Date Onset of Plate Tectonics to 3.6 Billion Years Ago