Since gay couples have fewer children, the high frequency of same-sex relationships in humans is puzzling from an evolutionary point of view. Perhaps there are social advantages such relationships ...

A team of anthropologists and biologists from Canada, Poland, and the U.S., working with researchers at the American Museum of Natural History, in New York, has found via meta-analysis of data from ...

Scientists have recorded same-sex behavior across many animal groups, including mammals, birds, and reptiles. Still, the meaning of that behavior depends on the species and the context. Behavior that ...

EXCLUSIVE: Oscar-nominated actor Elliot Page has signed on to narrate and executive produce Second Nature, a documentary that explodes myths about sexuality and gender in the animal world, revealing ...

Speaker of the House Mike Johnson once appeared to blame the fall of the Roman Empire on same-sex relations, a recently resurfaced audio clip shows. “Many historians, those who are objective, would ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Over the years, Pew Research Center has asked Americans about the morality of ...

Gay sex — some humans do it, some penguins do it, and as it turns out, many monkeys do it. It's only natural, according to a study published Monday in the journal Nature Ecology and Evolution, By ...

I strongly disagree with Scott Friedman's letter in the April 4 Current. Mr. Friedman insists that male homosexuals don't target children. But psychologists have been aware of this fact for years. And ...

Two lion brothers rubbing heads in sign of affection and bonding© RichartPhotos/Shutterstock.com Scientists have recorded same-sex behavior across many animal groups ...

Speaker of the House Mike Johnson once appeared to blame the fall of the Roman Empire on same-sex relations, a recently resurfaced audio clip shows. “Many historians, those who are objective, would ...