Watch NIH researcher and Critic at Large Dean Hamer describe the nuances of his research into the genetics of sexual orientation.

Researching the causes of sexual orientation should be guided by scientific, not social, concerns.

Scientists who study the biological roots of sexual orientation should continue working with educators, policy-makers, and the public to put their data to good use.

Meet some of the people featured in the July 2014 issue of The Scientist

Scientists propose a new model for how homosexuality develops, but observers say it will be difficult to test.