As scientists gain a better understanding of the mysteries of human physiology, the protein called myostatin (MSTN) has repeatedly been shown to play a central role in human reproduction. A new ...

New research has mapped the cell types that specialize to form reproductive organs in both sexes, identifying key genes and ...

Quick Take Female ferrets (jills) only ovulate after mating, so unpaired jills can stay in heat with high estrogen for weeks.

In a bizarre twist of evolution, some fish have been found to be able to control which sperm fertilizes their eggs in order to have the best offspring. According to a study published in the journal ...

An unsung appendage in the female body, which has long been considered useless, may actually be essential for ovary development and fertility, a new mouse study finds. This structure, called the rete ...

It’s not just about chromosomes. Or reproductive cells. Or any other binary metric. Many genetic, environmental and developmental variations can produce what are thought of as masculine and feminine ...

Mapping the human reproductive system offers new clues into conditions affecting reproductive organs and the environmental ...

If you liked this story, share it with other people. Successful conservation interventions have helped mountain gorilla populations recover from 620 in 1989 to more than 1,000 today. However, mountain ...

Dolphins have active sex lives, with frequent dalliances not just for reproduction. One reason may be that the prominent female dolphin clitoris provides sexual pleasure. The findings suggest that the ...