Where one mystery's been solved, another has surfaced. A mystery bride has been found - but she has little idea how her wedding photos came to be on a USB stick.

Sex could become purely recreational by 2050 with large numbers of babies in the Western world born through IVF, the professor who invented the contraceptive pill says.

Society has always been fascinated by sex, and the internet gives us insight into previously unheard of sexual practices, portraying them as standard conduct, writes Lee Suckling.

15 myths about contraception - alongside the facts

Christchurch Romeo organises a flashmob on a tram to propose to his girlfriend.Here's how it went.

Mona Dotcom has staked a $23 million claim on the fortune of her estranged husband, Kim Dotcom, saying half of what was seized in the FBI-initiated raid belongs to her.

Tinder: tacky, or just a super-efficient way to meet a match in this new age of need-it-now-ness? wonders relationship expert Jill Goldson.

Why make leaving harder than it has to be? People are thrilled that you showed up, but no one really cares that you’re leaving.

What do you call yourself if your husband's surname is not Clooney, asks Chris Thundow.

Gay engagement shouldn't be any different than straight engagement (after all, that was the point of marriage equality), but it is, writes newly engaged Lee Suckling.

"A diamond is forever," according to De Beers, but if a couple spends too much on their engagement ring then their marriage might not be.

Biotech company Starpharma has announced the imminent launch of a condom coated with an antimicrobial chemical known as VivaGel.

There is no such thing as a vaginal orgasm, a clitoral orgasm or even a G-spot, a new study claims.

Grace Gelder proposed to herself and sealed the marriage by kissing her own mirror image.

Deborah Hart writes: Family law arbitration, the latest conflict-resolution tool for people seeking resolutions for difficult domestic circumstances, marks another milestone.

Mother of six. Three words, but oh, wow. What heavily freighted words they are; unwieldy with virtue and sacrifice and assumption, writes Deborah Hill Cone.

A longitudinal study from earlier this year challenges the idea that sex is only for young people, as well as raising questions about the biomedical model that underpins the idea.

Children sense when you're hungover like a lion senses an injured wildebeest.

Cash-strapped Sally Ridge has become embroiled in a fresh financial battle as her partner's ex-wife sues for thousands of dollars.

So we do know that low self-esteem is going to be problematic for healthy relationships - but what to do about it?

Scrolling around Charlie Williams's new app, Cuddlr - proudly billed as the "Tinder for cuddling" - you get the sense that maybe Williams hasn't spent a whole lot of time online.

How sex and cancer risk are linked is complicated and dependent on several factors. Your age, gender, and how often you practice safe sex will all influence.