I tried wearing tape over my mouth at night to see if it could actually improve my health – this is what I learned - IN FOCUS ...

Mouth breathing can slowly reshape your face, impacting your appearance and health. Learn how to reverse these changes with proper breathing.

A high-resolution microscope reveals the intricate inner structure of the blood-sucking tsetse fly’s saliva tube. A series of rodent experiments showed that even with abundant food and water, personal ...

All of these bites are inflicted by females, which possess specialized mouth anatomy that their male counterparts lack.

Breathing through the nose may be more beneficial for a person's health than breathing through the mouth. Learn more here.

Katy Golden, who had her tonsils removed when she was 5 years old, had them removed a second time — 40 years later.

A new study suggests that predatory dinosaurs, such as Tyrannosaurus rex, did not have permanently exposed teeth as depicted in films such as Jurassic Park, but instead had scaly, lizard-like lips ...

The scientists examined the tooth structure, wear patterns and jaw morphology of lipped and lipless reptile groups and found that theropod mouth anatomy and functionality resembles that of lizards ...

In fact, the scientists believe their mouth structure resembled a tuatara, the small extant New Zealand lizard-like reptile that was around at the time of the dinosaurs.