A large comparative study of primate teeth shows that grooves once linked to ancient human tooth-picking can form naturally, while some common modern dental problems appear uniquely human.

A fossil jaw of a distant human relative was discovered much farther north than previously thought possible, revealing new ...

The chin is one of our most familiar features, yet scientists still debate why we evolved it. Here’s a breakdown of what we ...

At some point in the deep past, humans may have come frighteningly close to disappearing altogether. Here’s what we know, ...

Sickle cell disease is caused by a single genetic mutation that alters the shape of red blood cells. While the condition causes severe pain and health complications, carriers gain resistance to ...

Do you like drinking milk or chatting with your friends? Well, you can enjoy those because of the evolution happened over the ...

Why do humans have larger penises than other primates? New research tests attraction, rivalry, and sexual selection for ...

Facial hair endures because it signals maturity, identity, and social meaning, revealing how humans fuse biology and culture into visible traits we still read instinctively.

A hand stencil on the wall of a cave in Indonesia has become the oldest known rock art in the world, exceeding the ...

A 5,500-year-old skeleton from Colombia has revealed the oldest known genome of the bacterium linked to syphilis and related ...

The real revelation, however, came from the men. Men considered a larger penis as an indicator of a rival with both greater ...

NASA's Space Shuttle Program, which ran from 1981 to 2011, was a complex and ambitious project that pushed the boundaries of ...