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Vertebrates

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Study Ties Burst of Gene Isoforms to the Dawn of Vertebrates

Long-read sequencing across sea squirt, lamprey and frog pinpoints expanded diversity in transcription-factor effectors of cell-signaling pathways.

Ordovician Mass Extinction Set the Stage for the Rise of Jawed Fishes

Fossil Brain Scans Point to Rapid Origin of Pterosaur Flight

Fossil Endocasts Show Pterosaurs Evolved Flight-Ready Brains Independently of Birds

Digits May Have Evolved by Repurposing Cloacal DNA, Nature Study Finds

Bistable Toggle Organizes Progenitor 'Neighborhoods' to Sustain Olfactory Neurogenesis

Oldest Ankylosaur Revealed With Meter-Long Neck Spikes and Early Tail Weapon

Study Confirms Teeth Evolved from Sensory Armor of Ancient Fish