Scientists have revealed thepreserved embryos of a 200-million-year-old dinosaur species. Using a state-of-the-art particle ...

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 ...

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

For more than a century, dinosaur eggs have offered haunting snapshots of ancient life, from curled embryos to trampled nests ...

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, essential for thermoregulation, flight, and communication in birds, originate from simple appendages known as proto-feathers, which were present in certain dinosaurs.By studying embryonic ...

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 ...

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 ...