Many animals including humans reproduce through sexual intercourse and researchers have found evidence that this process is pioneered by a fish that existed in Scotland nearly 400 million years ago.

Editor's Note: This article first appeared at The Conversation. We humans use the euphemism for sex that “we like to get a leg over” but the first jawed vertebrates – the placoderms – they liked to ...

Article from Biological Sciences in Space. -- Vol.11, no. 3 (1997). Report of the Medaka fish mating experiment carried out on the space shuttle Columbia as part of the second International ...

Parthenogenesis, a form of asexual reproduction in which an egg develops in the absence of fertilisation, has traditionally been associated with invertebrates. However, recent discoveries have ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally published at The Conversation. The publication contributed the ...