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.

Ancient rocks show life could have flourished

This May Be the Oldest Known Sign of Life on Earth

Earliest evidence of life found: 3.49 billion years ago

The oldest evidence of life on Earth could help us discover ancient life on Mars

Oldest fossils on Earth discovered in 3.7bn-year-old Greenland rocks, Fossils

Life Helps Make Almost Half of All Minerals

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

3.7-Billion-Year-Old Rock May Hold Earth's Oldest Fossils

The World's Newest National Park Protects 550-Million-Year-Old Fossils, Smart News

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

Oldest-known DNA, found in Greenland, reveals life in much warmer climate 2 million years ago (including mastodons) - Chicago Sun-Times

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