Scientists are making inroads in understanding one of the central mysteries of human reproduction: Why do women’s eggs ...

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

A common parasite expands across species by abandoning sex, boosting short-term spread while risking long-term collapse.

Homosexual behavior in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

The twins were born to a 22-year-old female named Mafuko, who lost her own mother to armed individuals. The extremely ...

Chinese scientists have detected plastic particle clouds hovering in the air over two large cities indicating that these ...

Researchers at the University of Arizona have received a nearly $3 million grant from the National Institutes of Health to study the impact of phthalates on women’s fertility.

Domestic pigeons have surprising cultural significance. They inspired Charles Darwin in his thinking about evolution, ...

Stability AI faces a copyright lawsuit after a musician alleged his songs were used to train AI models despite opt-out ...

The radical breakthrough quality of Abdullah Öcalan’s thought stems not only from exceeding the limits of the classical ...

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...