Scientists have revealed thepreserved embryos of a 200-million-year-old dinosaur species. Using a state-of-the-art particle accelerator, researchers were able to scan the fossils and create detailed ...

A rare set of exquisitely preserved dinosaur embryos unearthed in the Patagonian badlands is revealing how dramatically the animals changed as they grew from mere 15-inch hatchlings into bus-sized ...

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 ...

Scientists in China uncover crystal-filled dinosaur eggs, revealing a glittering twist in prehistoric life and evolution.

A groundbreaking discovery has surfaced from the depths of the early Cambrian Kuanchuanpu biota, which existed around 535 million years ago in Shaanxi Province, China. Here, researchers have ...

Feathers are among the most complex cutaneous appendages in the animal kingdom. While their evolutionary origin has been widely debated, paleontological discoveries and developmental biology studies ...

Descriptions of the embryo go back at least to the time of Aristotle, but it has only been since the late 19 th century and early 20 th century that advances in experimental approaches allowed ...

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery. The process of how a humble single cell becomes an organism fascinates scientists across ...