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.

Oldest traces of life on Earth may lurk in Canadian rocks

4-Billion-Year-Old Crystals Offer Clues to the Origins of Life

New Zealand's 180-million-year-old forest

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

Complex ecosystems arrived early : Nature News

World's oldest fossil plants could rewrite life's early history

Fossil Site Reveals Day That Meteor Hit Earth and, Maybe, Wiped Out Dinosaurs - The New York Times

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

A 2.2-billion-year-old impact crater is Earth's oldest on record

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