Over the past decade, I have made some bold predictions about the future of sex. One that’s been easy is that people will still be having sex for years to come, but for different reasons: they simply ...

Sex cells made from scratch could revolutionize human reproduction. But researchers are struggling to translate promising ...

A study finds that expectant cockroaches deprived of sleep produce less milk and have longer pregnancies, offering surprising ...

Many mountain gorillas keep living - vigorous and socially engaged - for a decade or more beyond the years of reproduction.