This experimental study used life-sized and screen-based 3D male avatars to test how penis size, height, and body shape ...

"Size matters" sounds like a tabloid cliché, but for evolutionary biologists the size of the human penis is truly a puzzle.

Researchers find obelisks, mysterious RNA molecules in human bacteria that challenge our understanding of viruses and ...

The body-positive movement has encouraged people, especially women, to see beauty in all shapes and sizes, and it's reminded us that body ideals are culturally constructed and not based on science.