A new optical illusion excellently illustrates just how finicky our eyes are when it comes to perceiving colors.

How many purple dots do you see in the image above? Are they all the same hue? This new optical illusion, developed by ...

A biomedical optics engineer discovered a visual illusion where purple dots appear bluer in peripheral vision. This ...

NASA's James Webb Space Telescope and Hubble Space Telescope have teamed up to capture new views of Saturn, revealing the ...

What do the feeling of an ice cube against your skin and the cool minty blast of toothpaste have in common? Both activate our ...

People are buying helmets, face masks, vests and beds that emit long-wavelength light. Beneath the hype, there is some ...

The king of the planets meets a waxing half moon at sunset tomorrow.

Scientists have long studied the role of dopamine, a chemical in the brain that helps control learning and movement, in order ...

When you reach into a bucket of ice, open your front door on a snowy day, or feel the tingle of menthol toothpaste, a protein ...

Scans of more than 3,500 people allow scientists to draw up a guide to the brain areas that work together from birth to 100 ...