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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Arctic reindeer have the impressive ability to change their eye color. In the summer months, their eyes are a deep brown, but in ...

Life above the Arctic Circle is not easy — cold, wind, snow, a couple months of total darkness — but the creatures that live there have evolved to handle the harsh conditions. Arctic reindeer, for ...

Rudolph the fictional reindeer was famous for his oddly colored nose, but his true-life cousins have eyes that change color depending on the season. In summer, the eyes of Arctic reindeer appear gold, ...

While we do not yet have scientific evidence that reindeer can fly, reindeer do glow– not their noses but rather their eyes. Many animals, especially ones out and about at night, have eyes that glow ...

Darkness had fallen in the Vail Valley. As I watched the last light fade on the summit of Bald Mountain, I heard crashing below my porch. Was it the massive black bear that had been frequenting the ...

The Conversation is asking kids to send in questions they'd like an expert to answer. Chloe, age 10, wants to know why cats' eyes glow in the dark. An expert in veterinary ophthalmology explains. Cats ...

When you hear the word reindeer, you probably think of magical creatures that pull Santa’s flying sleigh one night a year. But reindeer have an impressive trick up their sleeve that doesn’t involve ...