Fossil egg found in Antarctica suggests marine reptiles laid eggs, challenging previous beliefs about ancient life.

Add Yahoo as a preferred source to see more of our stories on Google. A dinosaur egg laid 70 million years ago holds the remains of an "exquisite" embryo that shows how dinosaurs positioned themselves ...

A fossilized dinosaur embryo discovered inside a fossilized egg in southern China is reshaping scientific understanding of avian evolution. Preserved for more than 70 million years and left unexamined ...

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Before long-necked dinosaurs like Brontosaurus grew into their giant bodies, they began as baby dinosaurs with some unusual facial features that changed as they aged, according to a new study. Before ...

In the Cretaceous period, Earth was plagued by widespread volcanic activity, oceanic oxygen depletion events, and mass extinctions. Fossils from that era remain and continue to give scientists clues ...