Sex

Contraceptive gel Vasalgel provided long-term and reliable contraception in rhesus monkeys.

When both partners are obese, their chances of conceiving may be reduced.

It is a myth that men need more sexual intercourse than women, although men talk about it more often.

One orangutan loved the game so much she accidentally smashed the screen.

Menopausal women often report sleep problems and this can have a detrimental impact on their sex lives.

How our mating system and brains left us with a penis/testicle ratio unlike any other primates.

Men and women carrying out walking and language tasks at same time show unexpected gender differences.

Under the right conditions, a male's stressful past can be a turn on for females.

Scientist who invented implant now working on remote control device to activate it.

Egyptian bats look cute but they never seem to stop squabbling over food, mating and who perches where.

Heidi Verret, 30, is accused of having sex with boys aged between 15 and 16-years old.

Sussex Police officer Daniel Moss and girlfriend Tracey Perryman were caught advertising sex.

Why do people fake it, how does anatomy shape it and why do we have them at all?

The bill would allow manufacturers or sellers to opt out of the restriction for $20.

The pill does not kill sexual desire, and 'We need to bust that myth' researchers say.

States of bliss lead to positive associations with sexual partners, which influence our behaviour towards them.

GPs in England have stopped providing some contraceptive methods because of budget cuts.

Women on certain types of contraceptives and in more committed relationships tend to have more sex outside of oestrus.

Syed Shah promised to 'purify' her relationship with her husband after they sacrificed a goat

Kelsey Leigh Gutierrez is alleged to have engaged in sexual activity with 2 pupils over 18 months.

Men who feel the need to have power over women are more likely to have mental health problems.

Former glamour model and Loose Women host has released a new memoir, Reborn.

Alexandria Vera has pleaded to the aggravated sexual assault of a 13-year-old boy.

Male African orbweb spiders will pay for sex with their life, even if their mate is another species.

The clip shows the awkward moment a bride in groom jump into bed together

Circuit for copulation is separate from the one for ejaculation, suggesting that male flies might enjoy sex.

Dreams of violence and sex were associated to consuming violent media during the day.

Carol Vorderman and Joel Dommett are the only single contestants entering the jungle.

Having high 'sexpectations' tends to make people more dissatisfied in romantic relationships.

The female orgasm can't be understood by focusing on a single part of the body, says research.