Muscles once thought 'uniquely human' have been discovered in several ape species, challenging long-held theories on the origin and evolution of human soft tissues. The findings question the ...

Dogs developed a range of facial expressions after humans domesticated them, study says Dogs possess facial muscles that wolves do not, according to the study.

Evolution Canines evolved puppy dog eyes to woo human companions Wolves lack the facial muscles required to raise their eyebrows—a feature that makes dogs especially endearing to people.

It is the first systematic study into the variations of muscles in the human face and how this relates to facial expression.

A new study suggests that faster-moving facial muscles allow dogs to be more expressive than their wolf ancestors.

The laryngeal muscle arytenoideus obliquus and the risorius in the face, both also thought to be uniquely human, are also present in chimpanzees and gorillas.

Scientists found that changes to diet and social structure over time influenced how the human face evolved. The past contributed a lot to how humans look like in modern times.

While the five facial muscles necessary for making the six basic human expressions—happiness, sadness, fear, anger, surprise, and disgust—were present in every specimen, at least 10 other muscles were ...

How many facial expressions can you make? Offhand, you might guess ten, or twenty, from fear to disgust to sadness to joy to skepticism. But researchers now say that human faces might only be able ...

Scientists have created tiny artificial human muscles that contract and respond to neural and electrical stimuli just like real muscles do, a new study reports. There's just one twist: The ...

The muscles in our jaws need exercise like any other muscle. Otherwise, they will weaken. This weakness, Brace concluded, is what leads to overbites.

You are here: BBC Science > Human Body & Mind > The Body > Muscles Find out which muscles control your facial expressions.