
Sex between two males is extremely common in wild macaque monkeys
10 July 2023
Almost three-quarters of male macaques observed by scientists mounted other males, and the behaviour may help to strengthen alliances

10 July 2023
Almost three-quarters of male macaques observed by scientists mounted other males, and the behaviour may help to strengthen alliances

22 December 2022
A “sex peptide” transferred from male to female fruit flies during mating interferes with the female’s biological clock, reducing her chances of mating again

28 November 2022
Researchers have figured out how the Amami spiny rat lost its Y chromosome, and some believe the same fate may be in store for humans

18 September 2018
It’s usually males that go out of their way to attract a mate – but for dance flies it’s the females that dress to impress

31 May 2017
Through the activation of brain circuits with light, female voles were tricked into selecting specific partners

23 May 2017
Male seed beetles use sharp spikes on their penises to damage females during sex, but females are evolving thicker tissue to resist them