Science of Sex

When given the option, many men opt for condoms in a wide array of sizes, suggesting that condoms could be offered in more sizes than they currently are.

Was the actor right that HPV can cause throat cancer?

Oxytocin improves skills in socially inept, but not in people who already do well in social situations.

People's pupils react when they see other people they find attractive. But can this reaction reveal a person's sexuality?

Study of plant reproduction in zero gravity raises questions about sex in space.

A new study suggests that circumcised men have less sensitive penises, but experts are criticizing the study as biased and flawed.

It's OK to have a pity party when the romance fizzles, but keep it short.