Scientists are finally decoding the orgasm face. Explore how human evolution, primate behavior, and mate selection shape our expressions of climax.

When the digestive system fails to absorb fructose, the lingering sugar disrupts the gut microbiome. A recent study reveals this bacterial shift sparks low-grade, body-wide inflammation that can alter ...

TOKYO -- Japan's sex education has long been considered lagging behind other nations. Few elementary and junior high schools ...

Neanderthal bones recovered from a Belgian cave and dated to between 41,000 and 45,000 years ago bear unmistakable signs of ...

Artificial light at night, or ALAN, is one of the most pervasive byproducts of coastal urbanization. Streetlights, skyscrapers, and waterfront developments flood the night sky wit ...