This is not only about how boy meets girl; it’s also about how boy flies straight past girl and chooses instead to try to have sex with a lamppost. It’s 10:05 p.m. I am sitting on the curb in a pub ...

Humans will be able to reproduce on Mars because sperm can survive there for up to 200 years, scientists have found. Hopes of a space colony are a step closer but there are still questions over how ...

Male and female reproductive systems allow human reproduction. Fertilisation occurs when a sperm and egg join to form an embryo. An embryo develops into an unborn baby in the uterus during pregnancy.

It has played a key role in the evolution of life on Earth, allowing a mixture of genetic material to be passed on from generation to generation. But sex, which almost every animal and plant on the ...