Catholic devotees were stunned when an apparition of Jesus appeared in the clouds following a Mass. Footage shows worshippers ...

Learn real-world strategies from Jennifer Sheahan, DVM, DACVO, to help master essential eye exams, manage emergencies, and ...

So, what animal has the best vision? In reality, there's no easy answer — but there are certainly some standouts. "There is no perfect visual system," Esteban Fernandez-Juricic, a professor of ...

These top image and clip art sites provide an extensive supply of moderate- to high-quality visuals for cost-conscious ...

Reindeer change the color of a reflective layer in their eyes between summer and winter to deal with months-long stretches of Arctic darkness. These animals in Norway are cared for by Sami herders ...

Have you ever imagined what cows would look like if they were shampooed and blowdried? Me neither. But now that I've seen it, ...

A first-ever collaboration between the National Gallery of Art and the Smithsonian examines the birth of natural history.

If you find yourself gazing at screens all day, the 20-20-20 rule may help. Screen time has become a common part of daily life. You probably spend a good number of hours looking at screens, like ...

Find Clipart Of Eyes stock video, 4K footage, and other HD footage from iStock. Get higher quality Clipart Of Eyes content, for less—All of our 4K video clips are the same price as HD.

It may sound unbelievable, but reindeer eyes change from a blazing gold in the summer to a deep, dark blue in the winter. However, this isn’t the kind of color change you might expect, as it usually ...

The science gets complicated, but having that silky milk chocolate coloring like Scrat means he has a black-dominant gene ...

With Prime Day coming up on July 8-11, now's a good time to think about picking up one of the best cameras for wildlife photography. These cameras are fast, durable and boast excellent autofocus ...