Scientists have found two specimens of a 444 million-year-old "inside-out" fossil with well-preserved soft tissue, according to a new study. Unlike most fossils, the creature's muscles and guts — but ...

An unprecedented fossil of a baby dinosaur curled up perfectly inside its egg is shedding more light on the links between dinosaurs and birds. The 70-million-year-old fossil preserves the embryonic ...

Scientists in India unearthed a remarkable dinosaur egg. Inside this fossilized egg, researchers discovered another egg, a phenomenon known as ovum in ovo. This rare occurrence, previously only ...

Researchers have found that fossilized dinosaur eggshells contain a natural clock that can reveal when dinosaurs lived. The technique delivers surprisingly precise ages and could revolutionize how ...