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Early Earth
Ancient Earth, geology, paleontology, fossils, evolution, and the discoveries uncovering the planet's earliest history and the origins of life.
Fossilized 319-million-year-old fish illuminates backboned animals' brain evolution
Ancient fossils shed new light on evolution of sea worm
Meteorites reveal likely origin of Earth's volatile chemicals
Two studies of volatile elements discovered in meteorites constrain the assembly of Earth
Mercury helps to detail Earth's most massive extinction event
New geosciences study shows Triassic fossils that reveal origins of living amphibians
Fossils reveal dinosaurs of prehistoric Patagonia
New discovery of sunscreen-like chemicals in fossil plants reveals UV radiation played a part in mass extinction events
Fossil pollen 'sunscreen' proves role of ozone depletion in largest mass extinction
Early forests did not significantly change the atmospheric CO2
