A new study in the Canadian Journal of Economics provides the first evidence on sexual orientation and economic outcomes in Canada. The study found that gay men have 12 percent lower personal incomes and lesbians have 15 percent higher personal incomes than heterosexual men and women.

Homosexual behaviour is largely shaped by genetics and random environmental factors, according to findings from the world's largest study of twins.

Oklahoma City Representative Sally Kern said that gays are a bigger threat to American society than terrorists on Saturday.

Bisexuality in women appears to be a distinctive sexual orientation and not an experimental or transitional stage that some women adopt "on their way" to lesbianism, according to new research published by the American Psychological Association.

Is sexual orientation something people are born with - like the colour of their skin and eyes - or a matter of choice"

University of Utah biologists genetically manipulated nematode worms so the animals were attracted to worms of the same sex – part of a study that shows sexual orientation is wired in the creatures’ brains.

According to a study conducted at Columbia University’s Mailman School of Public Health among lesbian, gay, and bisexual populations, blacks and Latinos do not have more mental disorders than whites.

The film and television series “M*A*S*H*” featured the song “Suicide is Painless,” but new research refutes that idea and indicates that being victimized because of sexual orientation is a chief risk factor for suicidal behavior among gay, lesbian and bisexual college students.

Sen. Larry Craig's arrest for alleged gay overtures in a Minneapolis restroom may spell the end of his political career, but some in the lesbian, gay and bisexual community are hoping the scandal has a silver lining.

The American Psychological Association is starting the first review of its 10-year-old policy on counseling gays and lesbians, a step that gay-rights activists hope will end with a denunciation of attempts by therapists to change sexual orientation.

Nearly four in 10 gay men and about one in eight lesbians and bisexuals in the United States have been the target of violence or a property crime because of their sexual orientation, according to a new study by University of California, Davis, psychology professor Gregory Herek.

Russian police detained gay-rights activists, including two European lawmakers, as they gathered in central Moscow yesterday, while members of a hostile crowd shouted, "Death to homosexuals!" and punched and kicked the demonstrators and pelted them with eggs.