Editor’s Note: Aarathi Prasad is a London-based biologist and science writer and the author of “Like a Virgin: How Science is Redesigning the Rules of Sex”. In an article in the UK’s “traditional ...

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 ...

A fully formed crocodile fetus has been found in an egg laid by a female that had no contact with males – showing for the first time that “virgin birth” is possible in these animals. The female fetus ...

"Female mosquitoes have to carefully manage energy and nutrients to produce eggs, and if that process is disrupted, ...

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 ...

Getting the job done. A female Asian water dragon (Physignathus cocincinus) produced a daughter (left) without the assistance of a male. Skip Brown/Smithsonian’s National Zoo An Asian water dragon ...