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Mexican Holding Pen Primed North American Mammals for Southward Spread

Expanded fossil evidence shows late Miocene drying selected traits in northern lineages that later eased their passage and spread into South America.

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Early Cambrian Fossil Pushes Cephalopod Siphuncle Back 30 Million Years

Near-Complete Triassic Austronaga Fossil Preserves Internal Organs

Cretaceous Skull Reveals Earliest Head‑First Burrowing Snake

Ediacaran Fossils Show Population-Level Turning Bias, Researchers Say

550-Million-Year-Old Worm Shows Population Bias for Rightward Turns

Fossil Hatchlings Show Early Tetrapods Grew Up Without Tadpole Metamorphosis

Pterosaur Wing Yields Steroid Biomarkers and Shows Microbe-Driven Mineral Sealing

Museum Reassessment Identifies Praearcturus gigas as a One‑Metre Scorpion

New Giant Paracrocodylomorph Shakajlura Riojanensis Described From La Rioja

Early Asexuality Slowed Animal Evolution, Study Finds

New Four‑Winged Microraptorine Jian changmaensis Described From China’s Changma Basin

UNAM Names 4‑Million‑Year‑Old Ajolote Fossil Ambystoma quetzalcoatli

Metre-Long Scorpion Praearcturus Gigas Confirmed From Devonian Fossils

New Québec Fossil Narrows Late‑Cambrian Furongian Gap

Museum ‘Mammoth’ Bones Reidentified as Ancient Whales

New Cretaceous Bird Plumadraco Has Tail Feathers Twice Its Body Length

Scientists Name Labrujasuchus expectatus, a Two‑Legged, Beaked Croc Relative from Ghost Ranch

Toothless Bipedal Croc Relative Labrujasuchus Described From Ghost Ranch

Isolated Tail Bone Provides Clearest Evidence of Ostrich‑Like Dinosaur on Ancient Pacific Coast