Biological factors shape sexual preference.
A new study of nearly 500,000 individuals finds that many genes affect same-sex behavior, including newly identified candidates that may regulate smell and sex hormones.
Botswana’s LGBTI community is celebrating the decriminalisation of gay sex.
By placing less emphasis on public opinion, and questioning public morality as the basis of its decision, the latest High Court decision shows that times have indeed changed.
If people want commodities like: love, company, doing tasks together, they are better off if marriage is permitted.
It's better for the economy for more people to be married because of productivity and efficiency gains. This whole framework doesn't require people to be of the same or different sex.
A Rainbow Pride march at Chandannagar, north of Calcutta in early 2017.
Section 377, which criminalises homosexuality, could finally be relegated to the history books.
Many animals form life-long partnerships, but they’re not always about sex.
Many animals, including humans, form long-term partnerships, but some are same-sex, suggesting they're not all about raising offspring but some other form of cooperation.
A protestor outside the Supreme Court during the oral argument for Obergefell v Hodges.
What are the consequences of defining marriage as a "fundamental liberty"? And what difference will this ruling make to discrimination against gays and lesbians in other areas of life?
The Supreme Court US.
The Supreme Court is the final word on the country's laws but its decisions don't necessarily end culture debates. Two scholars look at same sex-marriage arguments made before the court.
Out and about.
Holding hands with someone you love in public may seem like a carefree display of affection, but for people in same sex relationships it is still a risky thing to do. Despite progress in our attitudes…