Today I want to talk about something beginning observers tend to overlook. It a process of the human eye called dark ...

Did you know some of the brightest sources of light in the sky come from the regions around black holes in the centers of ...

An American Journal of Ophthalmology study of 3,654 Australians with dark- and light-colored eyes found a much higher risk of ...

Your eyes perform a remarkable feat ... and your retina undergoes chemical changes to enhance its light sensitivity. This adaptation process, called dark adaptation, happens automatically ...