If you have ever been concerned about your penis size, you're not alone. The size of the male sex organ has long been thought to be an indicator of a person's testosterone levels and sexual abilities.

Many people wonder what the average penis size is. The truth is that penises are like any other body part and vary in shape and size. One study found that the average penis size is about 3.9 inches (9 ...

Keersten Fitzgerald does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

The average length for a newborn is 19 to 20 inches (in) (48.2 to 50.8 centimeters [cm]) from the top of the head to the heel of the foot, but this can vary. Doctors also consider a range of 18.5 to ...

You can thank whoever has a Y chromosome for the fact that you have a penis at all. People assigned male at birth (AMAB) inherit the Y chromosome from a parent who was born with a penis, just like ...

If you wanted to understand how our Universe operates, you'd have to examine it at a fundamental level. Macroscopic objects are made up of particles, which can only themselves be detected by going to ...

Photography is full of fancy terms and complicated science, but we are here to explain it all to you in simpler terms. Today we are focusing on focal length. This term gets thrown around often, ...

Having a bigger, curvier body, and needing the type of clothing that accommodates or even highlights it, has become (somewhat) more accepted by the fashion and retail industries. Recent years have ...