Our study on weird ancient marine animals called radiodonts supports the idea that vision played a crucial role during the Cambrian Explosion, a rapid burst of evolution about 500 million years ago.
In the age of masks, improve your interactions by using all aspects of human communication.
Parkinson's disease may be diagnosed by looking for subtle changes in eye movements and thinning of retina layers.
Your mouth might be obscured, but science shows you say a huge amount with your eyes.
Having longer top eyelashes can enhance our ability to express our feelings and communicate with others. But the most significant reason we have them is to protect our eyes.
With caregivers' faces covered, infants and young children will miss out on all the visual cues they'd normally get during stages of rapid developmental growth.
With online learning and social distancing, kids are spending more time staring at screens and less time outdoors. That can put them at higher risk of myopia and serious eye problems in the future.
It takes time for information from our eyes to reach our brains and become part of our conscious experience. So our brains use predictions to make up the delay.
Millions of Australians far from the bushfires' direct path have been affected by smoke haze. Here's everything we know about the effects of bushfire smoke on our health.
When you read in the back seat of the car, your eyes tell your brain you're still. But your ears can sense you're moving. Your eyes and ears are having an argument that your brain is trying to settle.
Too much studying and staying indoors are more likely to blame for the rise in the number of children with myopia, or short-sightedness.
Sometimes our brain gets confused and misunderstands what the eyes tell it.
Just the tiniest bit of light can let you see in the 'dark.' Here's how your eyes do it.
Pets, like guinea pigs, lead very different lives to humans – and that's why they need very different eyes, too.
Bees might not be able to survive inside a person's eye, but they can be drawn to disgusting food sources.
If you're in a competitive environment, be wary of people looking you directly in the eyes.
Myopia is a major risk factor for serious eye diseases. It has become epidemic among children, particularly because of their heavy use of electronic devices.
Simply closing your eyes will protect your eyes from sunlight. But looking straight at it can cause serious damage.
One study found that people with brown eyes were more susceptible to the disorder.
Our eyes don't grow much at all – but when we're very young, we still need to learn how to see.