Humans have long experimented with nature, bending evolution to serve aesthetics, science, and curiosity. Some animals have ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Same-sex sexual ...

(CNN) – New research shows homosexual sex between animals is more common than we think. Same-sex sexual behavior has been observed in more than 1,500 animal species. But, the new study shows it’s ...

(CNN) — Same-sex sexual behavior has been observed in more than 1,500 animal species, but a new study has found that it is massively underreported by researchers. Observations of this same-sex ...