Sexuality and gender are often at the forefront of cultural and political debate today. In his new book, The Sexual Evolution: How 500 Million Years of Sex, Gender, and Mating Shape Modern ...

Learn more about mammal monogamy rates, which support the theory that the primary mating pattern in Homo sapiens is monogamy.

Of the 8.7 million species on Earth, why are human beings the only one that paints self-portraits, walks on the Moon and worships gods? For decades, many scholars have argued that the difference stems ...

In the animal kingdom, penises can be spiked, split, corkscrewed—even detachable. They're one of the most diverse structures in biology. The human penis is so uniform, it's an anatomical outlier.

Frustrated with which dating app to use? Unable to find "the one?" Spare a thought for some of the animal kingdom, where humanity has hampered their efforts to find a mate. Humans have destroyed or ...

Human societies have long depended on the division of labor to thrive—walk into any town, and you can probably find bakers baking bread, truck drivers driving that bread to market and grocers selling ...

A new book looks at the health links between animals and humans. June 12, 2012— -- intro: Dr. Barbara Natterson-Horowitz is a sort of modern day Dr. Dolittle. For the past six years, the UCLA ...

Scientists studying squaretail grouper have found that the increasing presence of fishermen in the water is changing their behavior from flirty to flighty. A team led by scientists at Lancaster ...