There is a tiny cyclops among your oldest ancestors, and humans share these remarkable ancestral roots with all other ...

The compound eyes of the humble fruit fly are a marvel of nature. They are wide-angle and can process visual information ...

Close observations and studies have shown that many frogs use their eyeballs to help push food down their throat!

Humans develop sharp vision during early fetal development thanks to an interplay between a vitamin A derivative and thyroid ...

Learn about causes of gradual and sudden-onset blurred vision, from eyestrain and refractive errors to cataracts and strokes, ...

Even Charles Darwin was puzzled by the evolution of the vertebrate eye. New research suggests that it traces back to a cyclopean invertebrate with a single eye atop the head.

The evolution of human hands is one of the most important – and overlooked – stories of our origin. Now, new fossil evidence ...

Scientists have recognized snails’ regenerative abilities for centuries. In 1766, a researcher documented that decapitated garden snails could regrow their entire heads. Despite that long history, ...

A “ring of fire” solar eclipse will be visible on Tuesday, with the best views in Antarctica and partial eclipse views in Africa and South America.

Many robots are equipped with cameras to allow them to see the world. These digital eyes record sequences of still images which must somehow be interpreted as motion. A popular approach is optical ...

Suppressing laughter in solemn settings can backfire. Here’s what brain science says about why ‘church giggles’ feel unstoppable.

Top Air Force leaders are stressing the need to improve aircraft readiness and ensure maintainers have enough spare parts to fix airplanes and keep them in the air. (Staff Sgt. Tristan Truesdell/U.S.