Males engage in a two-week-long sex marathon with as many females as they can find. Each frenzied encounter can last up to 14 ...

In 1989, paleontologist Darren Tanke suggested that similar breaks were the result of mating as one dinosaur mounted the ...

The results of inbreeding can be very distressing to witness. In this Instagram post, we see a captive lion with skull ...

Sexuality and gender are often at the forefront of cultural and political debate today. In his new book, The Sexual Evolution: How 500 Million Years of Sex, Gender, and Mating Shape Modern ...

Male bonobos have an impressive ability to detect when females are most fertile, even though the usual visual cues are ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. To avoid the amphibian pile-up that often comes with mating, some ...

Raïssa de Boer received funding from the Carl Tryggers Foundation (17:152). Regina Vega Trejo receives funding from the Swedish Research Council 2017-04957. We’d expect to see the same attitude extend ...

The vast majority of animals need to breed to reproduce. But a small subset of animals can have offspring without mating. The process, called parthenogenesis, allows creatures from honey bees to ...