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.

The oldest fossils on Earth show that 3.5 billion years ago there was life on our planet

Why signs of life on Mars remain so mysterious

Two-billion-year-old salt rock reveals rise of oxygen in ancient atmosphere

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

3.77-billion-year-old fossils stake new claim to oldest evidence of life, Science

Life Helps Make Almost Half of All Minerals

4.6-Billion-Year-Old Meteorite Is The Oldest Magmatic Rock Ever Found - Geology In

Fossilised microbes from 3.5 billion years ago are oldest yet found

Fossil reveals the moment a cat-size mammal took on a dinosaur three times its size

Ancient rocks show life could have flourished

Geologist uncovers 2.5 billion-year-old fossils of bacteria that predate the formation of oxygen

This May Be the Oldest Known Sign of Life on Earth

Ancient rock wiggles could be earliest trace of moving organism, Fossils

Billion-year-old rocks reveal traces of ancient life

Something on Earth Was Moving 2.1 Billion Years Ago - Science & Health