After draining his alien fish pond, the creator finds stingrays, lungfish, sirens, strange catfish, and other bizarre creatures. But the biggest surprise comes at the end, when a freshwater frogfish ...

"Who is this alien?" is Mashable’s enduring series about the exceptionally peculiar critters that inhabit a relatively small, ocean-dominated world in the outer realms of the Milky Way galaxy, called ...

There are many types of birth control. Some may fit better with your lifestyle or goals, but knowing which is most effective can help you make an informed choice. Birth control works best when used ...

Birth control, like sterilization, is a way for men and women to prevent pregnancy. There are many different birth control; some types also protect against sexually transmitted diseases, or STDs. An ...

Children develop at different paces, but the average birth weight of a full-term male baby is 3.3 kilograms (kg) and 3.2 kg for a female. Growth charts can provide a guide to the average weight of a ...

The population of the world was relatively low and steady until the 1950s when there was a population ‘explosion’. Since then, there has been a rapid increase in the world’s population so that in 2011 ...