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

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

The bony facial protrusion might be an evolutionary byproduct that resulted from changes to other parts of the skull, according to a new study ...

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

“The chin evolved largely by accident and not through direct selection, but as an evolutionary byproduct resulting from direct selection on other parts of the skull,” University of Buffalo biological ...

Since publication of their paper, “spandrel” has become shorthand among evolutionary biologists for an incidental trait, or ...

Dashiell Hammett mentioned Sam Spade's jutting chin in the opening sentence of his novel, "The Maltese Falcon." Spade's chin was among the facial features Hammett used to describe his fictional ...

From Dick Dastardly to Jay Leno, there are some pretty recognizable signature chins out there. In fact, as a species, our chins are arguably our most definitive feature, as no other animal on the ...

Humans are the only creatures on Earth whose lower jaw ends in a distinct bony knob, a true chin that juts forward from the rest of the mandible. Fossils show that even our closest extinct relatives, ...