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Evolution

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Permian Mummy Reveals Earliest Rib-Powered Breathing in an Amniote

The find pins the shift to chest-driven respiration deep in amniote history.

Oldest ‘Octopus’ Fossil Reclassified as a Nautiloid After Synchrotron Scans

Late Ediacaran Fossils in China Push Back Origins of Major Animal Groups

Chinese Fossil Trove Pushes Complex Animal Origins Into the Ediacaran

Oldest Chelicerate Fossil Dates to 500 Million Years Ago

Male Octopus Mating Arm Doubles as Hormone Sensor, Study Finds

500-Million-Year-Old Chelicerate Pushes Back Spider Lineage by 20 Million Years

PNAS Nexus Study Argues Human Grammar Evolved to Showcase Wit

Cell Study Finds Phages Eavesdrop Across Species To Steer Rivals Into Dormancy

PNAS Study Finds Ancestry Strongly Limits Protein Evolution

Egyptian Ape Fossil Challenges East Africa as Cradle of Modern Apes

Nature Study Undercuts Oxygen Theory for Giant Ancient Insects

Micro‑CT Reveals New Korean Dinosaur Species, Doolysaurus, From Juvenile Skeleton

Humans Often Prefer the Same Mating Calls Animals Do, Study Finds

New Species Crocodylus lucivenator, Likely Predator of 'Lucy,' Described From Ethiopia

Science Study Shows Rapid Evolution Helped Wildflower Survive California Megadrought

New Triassic Croc-Line Reptile Grew From Four-Legged Juvenile to Bipedal Adult

Tiny Teeth Found in Colorado Extend Range of Earliest Primate Relative

Digital Reconstruction Reveals ‘Little Foot’ Face with East African Traits

Science Study Finds Neandertal–Human Pairings Skewed Toward Neandertal Men and Modern Women