New research suggests that the size of eggs laid by ancient marine creatures may explain why ammonites went extinct while nautiloids survived the asteroid impact that ended the Cretaceous period.
A 275-million-year-old animal, *Tanyka amnicola*, had a unique twisted jaw for grinding plants, challenging assumptions about early tetrapod diets.
Scientists have discovered a new species of ancient snake, *Vasuki indicus*, in India, estimated to be up to 50 feet long, making it one of the largest snakes ever.
Preserved blood vessels were discovered in a 66-million-year-old T. rex fossil, revealing insights into dinosaur healing processes through advanced imaging.
A 100-million-year-old snake fossil from Argentina, *Najash rionegrina*, reveals hind legs and a cheekbone, challenging previous theories on snake evolution.
A 100-million-year-old fossil in amber has revealed a new true bug species, *Carcinonepa libererrantes*, possessing rare crab-like claws on its front legs.