Birds do it, bees do it, and of course, humans. But exactly why we all have sex has been one of the mysteries of science. Now researchers believe they have found the answer. Reproducing sexually makes ...

If you’ve ever had a spiny leaf insect as a pet, or you’re considering getting one, hopefully someone has warned you about this: if you put one in your enclosure, you might come back some time later ...

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.

At first glance, sexual reproduction, which requires two individuals to reproduce, seems to be at a disadvantage compared to asexual reproduction, which allows a single individual to reproduce.

Compelling visual evidence of sexual reproduction in African trypanosomes, single-celled parasites that cause major human and animal diseases, has been found by researchers from the University of ...

Aspen cannot clone itself indefinitely. It must eventually reproduce sexually or die. Certain trees are able to clone themselves, which raises the tantalising possibility that they could effectively ...