From back injuries to difficult childbirth, here are six annoying parts of being human that you can blame on evolution.

The aorta starts at the left ventricle of the heart and curves around toward the feet. The curve is known as the aortic arch. The entire aorta stretches from the thoracic cavity to the abdomen. All of ...

British researchers have begun a project to recreate the anatomy and behavior of this species. The flightless animal is a symbol of extinctions caused by humans, as well as a creature largely unknown ...

Both chambers are filled with aqueous humor. The most common variation in iris anatomy is a condition called aniridia, in which the iris is incomplete or absent. Usually affecting both eyes, this ...

We all know cacti store water—but to survive, they migrate their flowers, and so much more. Scientists want to copy the ...

However, the discovery of a frozen human foot in early October has brought a partial end to a century-long search — and reignited one of the greatest mountaineering mysteries of all time.

In most species, these incredible growths cover the entire body except for the bill, eyes, legs, and feet. Birds maintain their plumage by bathing and ... maintaining natural ecosystems to their value ...

Tony Tulathimutte, author of "Rejection," peers into the soul of millennial disorder in the way that no one else does.

A massive Burmese python was caught on camera swallowing a 77-pound white-tailed deer whole in footage that is now helping ...

Dr. Ohya shared his concerns about the Japanese not getting enough physical activity with an engineer, Jiro Kato, and in 1965, the Yamasa Tokei Keiki company—which made industrial instruments and ...

But just think that examining feet could tell a lot about the general health state of a person. Human foot is recommended as the most complicated structure of the body which people fail to care ...

Pain on the outer side of your foot can range from annoying to debilitating. When the stabbing, burning, or aching is severe, it can limit your ability to stand, walk, exercise, work, or engage in ...