The specimen offers compelling evidence that behaviors critical for hatching ... elongatoolithid egg, the embryo reveals an articulated skeletal arrangement rarely found in dinosaur fossils.

A fossilized dinosaur egg has unearthed ... and found consistent patterns, pointing to a shared behavioral foundation. The findings suggest that modern birds’ hatching strategies are an ...

Scientists on Tuesday announced the discovery of an exquisitely preserved dinosaur embryo from at least 66 million years ago that was preparing to hatch from its egg just like a chicken.