This fossil of an ancient winged reptile, bought from a farmer in China's Liaoning province, tells a dramatic tale. About 160 million years ago, a female pterosaur fractured its wing and sank to the ...

An unexpected discovery in Antarctica is challenging long-standing scientific assumptions. A massive egg fossil, recently identified as soft-shelled and possibly belonging to a mosasaur, may reveal ...

A rare fossil discovery in Antarctica has upended scientific understanding of ancient marine reptiles. Buried beneath 68 million years of sediment, a soft-shelled egg as big as a football has emerged ...

In a finding that upends decades of scientific theory on reptile reproduction, researchers at North Carolina State University have discovered that female boa constrictors can squeeze out babies ...

A 75-million-year-old fossil of a pregnant turtle and a nest of fossilized eggs that were discovered in the badlands of southeastern Alberta by scientists and staff from the University of Calgary and ...

A 62-year-old ball python at the Saint Louis Zoo laid viable eggs, defying expectations as she hadn't been with a male for ...

The act of reptile reproduction suggests that dinosaurs and pterosaurs may have been capable of parthenogenesis, too, much like the creatures in “Jurassic Park.” By Veronique Greenwood In January 2018 ...

Papers from a symposium held June 5-6, 1978, at Arizona State University, Tempe, sponsored by the Society for the Study of Amphibians and Reptiles. Contents The reproductive biology of reptiles: an ...

The fossil of a large egg dating from the time of the dinosaurs has been found for the first time on the continent of Antarctica. In addition to its large size and unique location, this discovery is ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

1. Trade-offs between the reproductive and immune systems are predicted when resources are limited, but are difficult to measure. 2. We used ¹⁵N-labelled amino acids to directly compare protein ...