Seventy million years ago, a feathered, flightless dinosaur known as an oviraptor squatted over a carefully arranged ring of ...

Scientists have recreated a life-sized oviraptor and egg nest to better understand how these bird-like dinosaurs incubated ...

Scientists in Taiwan examined the brooding behavior and hatching patterns of bird-like but flightless oviraptors.

What do we really know about how oviraptors—bird-like but flightless dinosaurs—hatched their eggs? Did they use environmental ...

The clutch of peregrine falcon eggs is growing up high on the Cathedral of Learning. On Friday, Carla stepped to the side of ...

The National Aviary’s star peregrine falcon couple has welcomed its first egg of the season.

After a female tortoise is fertilized, she undergoes several changes. After mating, the female tortoise will carry eggs for weeks to months, depending on the species. As the female tortoise gets ...