Small groups of Australian Facebook users have taken to “sex-rating” people and their sexual performances, sparking community outrage and police warnings, in what is seemingly a sad sequel to the recent Brocial Network scandal.

In the 50 years since man’s first space flight, it would appear that a "final union" has never been achieved.  Maybe.

New research out of the United States has found that having sex or short periods of physical activity can raise your risk of a heart attack, especially if you don't exercise or only exercise irregularly.

A Canadian study has answered the question: Is sex ok during pregnancy?

Australian researchers found that older people, some into their 90s, have a lot more sex than they previously thought. Over 30% of men from 75 to 95 years of age had sex over the past year. And, many of the men wanted sex more often.

A study published in the June 2010 issue of the Journal of Family Psychology shows that the more daily stress reported by participants, the lower levels of sexual activity and satisfaction.

According to space shuttle commander Alan Poindexter, while visiting Japan, astronauts aboard the International Space Station have working relationships and do not have personal relationships, implying that sex does not occur in space.

According to a U.S. survey of heart attack patients, the resumption of a normal sex life after a heart attack is highly dependent on whether their doctor discusses sex with them after their heart attack.  

The American Association of Retired Persons (AARP) undertook a survey of sexual and romantic habits for people in the United States 45 years and older. The 2009 survey was released early in May 2010. It found that most people in the 50s had less sex from 2004 to 2009.

According to a study conducted by the National Sleep Foundation, different ethnic groups in the United States do things differently when it comes to getting ready for bed. However, in many other cases they are very similar.