• Which Came First: The Reptile or the Egg?

• Ancient Herbivore's Diet Weakened Teeth Leading to Eventual Starvation, Study Suggests

• Lost Giants: New Study Reveals the Abundance Decline of African Megafauna
• Greenhouse Gas Emissions at 'an All-Time High' -- And It Is Causing an Unprecedented Rate of Global Warming, Say Scientists

• New Dino, 'Iani,' Was Face of a Changing Planet
• Remains of an Extinct World of Organisms Discovered

• Multiple Species of Semi-Aquatic Dinosaur May Have Roamed Pre-Historic Britain

• The Clams That Fell Behind, and What They Can Tell Us About Evolution and Extinction
• Quarter-Ton Marsupial Roamed Long Distances Across Australia's Arid Interior
• 107-Million-Year-Old Pterosaur Bones: Oldest in Australia

• Dinosaurs Were the First to Take the Perspectives of Others
• Fossils of a Saber-Toothed Top Predator Reveal a Scramble for Dominance Leading Up to 'the Great Dying'

• Fossil of Mosasaur With Bizarre 'screwdriver Teeth' Found in Morocco

• Homo Sapiens Likely Arose from Multiple Closely Related Populations
• Impact of Ancient Earthquake Revealed

• Out of This World Control on Ice Age Cycles
• Butterfly Tree of Life Reveals an Origin in North America

• Culprit Behind Destruction of New York's First Dinosaur Museum Revealed
• Human Ancestors Preferred Mosaic Landscapes and High Ecosystem Diversity

• Giants of the Jurassic Seas Were Twice the Size of a Killer Whale
• A Jumping Conclusion: Fossil Insect ID'd as New Genus, Species of Prodigious Leaper, the Froghopper

• Earth's First Animals Had Particular Taste in Real Estate

• New Tusk-Analysis Techniques Reveal Surging Testosterone in Male Woolly Mammoths

• 'Golden' Fossils Reveal Origins of Exceptional Preservation
• Fossil Find in California Shakes Up the Natural History of Cycad Plants

• New Research Redefines Mammalian Tree of Life
• Ecosystem Evolution in Africa

• Prehistoric Scat Reveals 'Waves' Of Extinction in Colombia

• Colorado's Spicy Ancient History of Chili Peppers
• 360-Million-Year-Old Irish Fossil Provides Oldest Evidence of Plant Self-Defense in Wood
• Neuroptera: Greater Insect Diversity in the Cretaceous Period

• X-Ray Analysis Sheds New Light on Prehistoric Predator's Last Meal

• Swimming Secrets of Prehistoric Reptiles Unlocked by New Study

• Fossils Reveal the Long-Term Relationship Between Feathered Dinosaurs and Feather-Feeding Beetles
• How Can a Pollinating Insect Be Recognized in the Fossil Record?
• Learning About What Happens to Ecology, Evolution, and Biodiversity in Times of Mass Extinction
• New Details of Tully Monster Revealed

• Professor Unearths the Ancient Fossil Plant History of Burnaby Mountain
• Apes May Have Evolved Upright Stature for Leaves, Not Fruit, in Open Woodland Habitats
• Oldest Bat Skeletons Ever Found Described from Wyoming Fossils

• Starting Small and Simple -- Key to Success for Evolution of Mammals

• Woolly Mammoths Evolved Smaller Ears and Woolier Coats Over the 700,000 Years That They Roamed the Siberian Steppes

• Ice Sheets Can Collapse Faster Than Previously Thought Possible

• Analysis of Dinosaur Eggshells: Bird-Like Troodon Laid 4 to 6 Eggs in a Communal Nest

• Predatory Dinosaurs Such as T. Rex Sported Lizard-Like Lips
• Ancient Giant Amphibians Swam Like Crocodiles 250 Million Years Ago
• A Reconstruction of Prehistoric Temperatures for Some of the Oldest Archaeological Sites in North America

• Extinction of Steam Locomotives Derails Assumptions About Biological Evolution

• Geoscientists Shed a Light on Life's Evolution 800 Million Years Ago
• Copper Artifacts Unearth New Cultural Connections in Southern Africa

• How the 'marsupial Sabertooth' Thylacosmilus Saw Its World

• Fossil Site Is 'Rosetta Stone' For Understanding Early Life

• Paleontologists Flip the Script on Anemone Fossils

• Wisconsin Cave Holds Tantalizing Clues to Ancient Climate Changes, Future Shifts

• Waxing and Waning of Environment Influences Hominin Dispersals Across Ancient Iran
• Prehistoric Sea Monster May Have Been Shorter, Stouter, Than Once Believed

• Jurassic Shark: Shark from the Jurassic Period Was Already Highly Evolved

• Dinosaur Claws Used for Digging and Display

• Clues About the Northeast's Past and Future Climate from Plant Fossils

• Evolution of Dinosaur Body Size Through Different Developmental Mechanisms

• Early Cretaceous Shift in the Global Carbon Cycle Affected Both Land and Sea

• Climate: Lessons from the Latest Global Warming

• Insect Bite Marks Show First Fossil Evidence for Plants' Leaves Folding Up at Night

• Oldest Spinosaur Brains Revealed
• Researchers Solve a 150-Year-Old Mystery: Aetosaur Find Involves Juveniles

• Record Low Sea Ice Cover in the Antarctic

• Fossil Discovery Reveals Complex Ecosystems Existed on Earth Much Earlier Than Previously Thought
• 2.9-Million-Year-Old Butchery Site Reopens Case of Who Made First Stone Tools

• Scientists Develop New Index Based on Functional Morphology to Understand How Ancestors of Modern Birds Used Their Wings

• A Fossil Fruit from California Shows Ancestors of Coffee and Potatoes Survived Cataclysm That Killed the Dinosaurs

• Changing Climate Conditions Likely Facilitated Early Human Migration to the Americas at Key Intervals, Research Suggests

• Mistaken Fossil Rewrites History of Indian Subcontinent for Second Time
• 319-Million-Year-Old Fish Preserves the Earliest Fossilized Brain of a Backboned Animal

• New Ancient 'marine Crocodile' Discovered on UK's Jurassic Coast -- And It's One of the Oldest Specimens of Its Type Ever Found

• Mercury Helps to Detail Earth's Most Massive Extinction Event

• New Geosciences Study Shows Triassic Fossils That Reveal Origins of Living Amphibians
• What Crocodile DNA Reveals About the Ice Age

• Malformed Seashells, Ancient Sediment Provide Clues About Earth's Past

• Researchers Uncover 92 Fossil Nests Belonging to Some of India's Largest Dinosaurs

• Fossils Reveal Dinosaurs of Prehistoric Patagonia

• Rodent Extinctions in Hispaniola May Have Been Caused by Humans

• New Discovery of Sunscreen-Like Chemicals in Fossil Plants Reveals UV Radiation Played a Part in Mass Extinction Events

• Bering Land Bridge Formed Surprisingly Late During Last Ice Age
• Archaeologists Uncover Oldest Known Projectile Points in the Americas

• The Other Paleo Diet: Rare Discovery of Dinosaur Remains Preserved With Its Last Meal

• What the Inner Ear of Europasaurus Reveals About Its Life
• Early Forests Did Not Significantly Change the Atmospheric CO2

• Fossil CSI: Giant Extinct Marine Reptile Graveyard Was Likely Ancient Birthing Grounds
• Linking Fossil Climate Proxies to Living Bacteria Helps Climate Predictions

• Scientists Discover What Was on the Menu of the First Dinosaurs
• Climate Change Played Key Role in Dinosaur Success Story

• Increasing Forest Cover in the Eifel Region 11,000 Years Ago Resulted in the Local Loss of Megafauna

• Changes in Earth's Orbit May Have Triggered Ancient Warming Event
• Fossil Site Reveals Giant Arthropods Dominated the Seas 470 Million Years Ago

• Extinct 'monkey Lemur' Shows Similarities to Fossil Humans
• True Giant Wombat Gives Diprotodon Podium a Wobble

• Dinosaur Teeth Reveal What They Didn't Eat

• Immune System of Modern Papuans Shaped by DNA from Ancient Denisovans, Study Finds
• Fjords, Small in Size and Number, Are Significant Carbon Reservoirs
• Smilodon's Sabre Teeth