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.

Billion-year-old rocks reveal traces of ancient life

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

Fossil - Wikipedia

4.6 billion-year-old meteorite may reveal the origin of Earth's water

4.6-billion-year-old meteorite is the oldest volcanic rock ever found

A 'one-in-a-million' fossilized horseshoe crab brain was discovered

Earliest evidence of life found: 3.49 billion years ago

Ancient bubbles in Pilbara rock show Earth had thin atmosphere 2.7b years ago - ABC News

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

2 Billion-Year-Old Pink Sea Salt Rocks Reveal How Life Began on Ancient Earth

World's oldest fossils' may just be pretty rocks

Scientists find 'lost world' in billion-year-old Australian rock, Science and Technology News

Oldest evidence of life on land found in 3.48-billion-year-old Australian rocks

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

Ancient Domes Reveal 3.45-billion-year-old Life History - Universe Today