The human chin is uniquely human, and the assumption has always been that it must have evolved for a specific purpose, ...

A new study explains why humans have chins while other primates do not. Researchers found that the chin likely formed as a ...

Biologists have debated the reason why Homo sapiens evolved a prominent lower jaw, but this unique feature may actually be a ...

“The chin evolved largely by accident and not through direct selection, but as an evolutionary byproduct resulting from ...

Dashiell Hammett mentioned Sam Spade's jutting chin in the opening sentence of his novel, "The Maltese Falcon." Spade's chin ...

It is often assumed that modern humans are no longer evolving. But there is now considerable agreement among scientists that evolution is still affecting our species—and this process is taking place ...

Millions of years ago, the natural environment was shaping us into the species we are now and humans evolved by natural selection. But as humans continue to evolve, we've turned the notion of natural ...

When most people think about natural selection, they imagine individuals competing with one another: The fastest animal ...