It is no small feat to artificially impregnate an elephant. The basics of artificial insemination may be routine, but a glance into the elephant house at the Woodland Park Zoo yesterday evening should ...

A new study based on four decades of data from the elephant seal colony at Año Nuevo Reserve has enabled researchers to disentangle the effects of environmental conditions, population density, and ...

The following outlines aspects of the female reproductive system, including the internal and external organs, the menstrual cycle, the egg, and reproductive hormones. The menstrual cycle is a monthly ...