Not all creatures need to breed to produce offspring. Animals like zebra sharks and killifish are redefining what scientists thought they knew about asexual reproduction. Among vertebrates, or animals ...

The reproductive strategies of the Chondrichthyes (cartilaginous fishes) are far more diverse than those of the other animal groups. Reproduction in chondrichthyan fishes is divided into two main ...

Sexual reproduction is the production of a new organism from two parents by making use of their sex cells or gametes. In this process male gametes fuses with a female gamete to form a new cell called ...

In Telford's Exotic Zoo, life found a way. A casque-headed iguana has given birth to eight babies at the Shropshire wildlife park – without any contact with a male, via a phenomenon called ...

In a recent and historic breakthrough, scientists managed to reproduce rats without the need for male sperm, an important milestone that opens the question about the future of genetics and the ...