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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.
Geoscientists shed a light on life's evolution 800 million years ago
New eyes discovered in trilobites
Fossil site is 'Rosetta Stone' for understanding early life
Rare isotopes help unlock mysteries in the Argentine Andes
Oldest sea reptile from age of dinosaurs found on arctic island
Hollow bones that let dinosaurs become giants evolved at least three times
Major North American oil source yields clues to one of earth's deadliest mass extinctions
Mineral particles and their role in oxygenating the Earth's atmosphere
Large-scale fossil study reveals origins of modern-day biodiversity gradient 15 million years ago
Early Cretaceous shift in the global carbon cycle affected both land and sea
