Their offensive ads make people take real animal cruelty less seriously

Why do right-wing extremists keep linking gay sex to animal abuse?

Lizzy Caplan, Taraji Henson, Maggie Gyllenhaal, Jessica Lange, Viola Davis and Ruth Wilson tell all

The NIH announced a $10.1 million in supplemental funding to perform animal testing on both sexes

A conservative freakout over a hot commercial

Pro-tip: When accused of sexism, don’t reference your opponents’ "panties"

The authors of "The Ultimate Sex Test" claim they know how to help women find the cold, hard truth about their men.

A new book examines what we can and can't learn about sex from watching bonobos, birds and earwigs.

Margaret Howe Lovatt was attacked for admitting that she stimulated a dolphin. But what she did isn't that unusual

Orgasms may be a uniquely human trait. Sex researchers debate why we evolved this fantastic ability

In the author's new novel, carnal pursuits are all-consuming as a 62-year-old professor beds his 24-year-old student.

Sexual lubrication is not a modern invention

Today we try to rev up sexual desire for women who've lost it. It wasn't always that way

The media coverage of Hasna Ait Boulahcen perpetuates the same virgin/whore dichotomy that fuels fundamentalism

Human males have yet to evolve flesh-eating sperm like some animals, but their biological imperative for sex has made them into the creatures they are today.