A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry ...

Supreme Court justices are expected to deliberate Friday over whether to consider overturning the court’s precedent legalizing same-sex marriage, meaning an announcement on the case’s fate could come ...

State efforts to urge the Supreme Court to reconsider same-sex marriage have not advanced, but they have reopened the issue. By Amy Harmon It has been more than a decade since same-sex marriage ...

Marriage and the ability to start a family are human rights. Ten years ago, on June 26, 2015, the U.S. Supreme Court’s decision in the Obergefell v. Hodges case extended the right to marry to same-sex ...

Children with gay, lesbian, transgender or other sexual minority parents fare as well as, or better than, children with parents of the opposite sex, according to research published Monday in BMJ ...

“Our lives look the same as every other family. … We do the same things, like taking our kids to the park. … We live a very, very typical life. It’s just us being two women who are married and raising ...

With the Senate set to take up a bill that would protect same-sex marriage at the federal level, a clear majority of Americans continue to say that the legalization of same-sex marriage is good for ...

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

A petition to the Supreme Court requests reconsideration of same-sex marriage legality, causing widespread concern. More than 823,000 same-sex couples are married in the U.S., raising almost 300,000 ...

The country’s Parliament also extended equal parental rights to same-sex couples, including clearing the way for them to adopt children. By Niki Kitsantonis Reporting from Athens Greece legalized same ...