Reindeers may not have noses that glow red in the night, but they do have a marvelous body part that changes color in winter ...

On Christmas Eve, a team of reindeer will crisscross the sky towing Santa and his present-laden sleigh. But Rudolph’s team won’t be the only reindeer doing something special. Back in the highest ...

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 ...

You’ve no doubt seen the eye of a walleye turn glassy white in photos or when a light shines on it. And you’ve certainly seen a deer’s eyes shine in the headlights. These glowing eyes, which are also ...

Fledgling crustaceans have eyes like the sea, a peculiarity that could help them hide from predators. Young shrimp, crab or lobster larvae already rock nearly translucent bodies to stay out of view.

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 ...