Scientists studying one of nature's greatest reproductive innovations have discovered how some lizards evolved from laying ...

A new study reveals that stress-induced changes in sperm motility occur after a stressful event, rather than during it and improves sperm performance. The discovery is essential in understanding how ...

A new study links gut microbiome imbalance and seminal microbiome profiles with infertility and pregnancy loss. Read more.

Genetic quality or genetic compatibility? What do female fruit flies prioritize when mating? Researchers at the University of Zurich show that both factors are important at different stages of the ...