Science ❯ Biology ❯ Paleontology

Evolution

Species Differences Theropoda Anseriformes Tetrapods Crocodilians Mammals Triassic Period Evolution of Birds Cenozoic Birds Cambrian Explosion Archosaurs Ecological Plasticity Feathered Dinosaurs Cladistics Mammalian Middle Ear Megaraptora Ediacaran Period Chelicerates Rhabdodontidae Species Diversity Anatomy Pterosaur Evolution Species Classification Flight Evolution Cenozoic Evolution Carboniferous Period Flightless Birds Mesozoic Era Morphology Bird-Dinosaur Relationship Adaptation of Dinosaurs Giant Invertebrates Bird Evolution Dinosaur Lifespan and Maturity Kangaroos Dinosaur Evolution Carnivorous Dinosaurs

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

Researchers say the pattern suggests early motility and coordinated sensory–muscular control that could mark the oldest example of lateralized behavior in animals.

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

307-Million-Year-Old Skull Pushes Back the Origin of Plant-Eating on Land

Tiny Spanish Dinosaur Foskeia Pelendonum Formally Described, Recasting Parts of the Ornithischian Family Tree

Rebuilt Jurassic Food Web Shows Baby Sauropods Fed the Top Predators

Hyoid-Bone Study Confirms Nanotyrannus Was Its Own Tyrannosaur Species