Paleontologists have discovered that a three-eyed sea moth predator lived on Earth half a billion years ago with evidence ...

Chronic obstructive pulmonary disease (COPD) is the fourth leading cause of death in the United States, most often caused by ...

Meet Mosura fentoni, a bizarre 506-million-year-old "sea-moth" with three eyes, claws, and an abdomen full of gills.

Most vaccines — and boosters — are injected directly into muscle tissue, usually in the upper arm, to kickstart the body's immune system in the fight against disease.