Eyes gleaming out of the pitch-dark night make for many a scary tale. But what's behind that pair of glowing eyes, and why don't humans' shine?

When we see animals' eyes in photos, nature films, flashlight beams, and headlights we see them shining back at us — but human eyes only glow bright red ...

Other animals’ eyes glow too. Many other animals that need to see at night have a tapetum lucidum. That includes predators and prey alike, everything from wild foxes to farmed sheep and goats. The ...

Sharks capable of bioluminescence have evolved eyes with a higher density of rods than their non-glowing counterparts, giving these sharks 'faster' vision.

Nature News: Why am I not seeing birds at my bird feeder this year? While we think of reindeer as exotic, back in the 1800s, they were one of the most popular big game animals in Maine. Sadly, it ...

A three-year-old video in which a young Chinese boy appears to demonstrate night vision is making the rounds once again, with news sources wondering if the boy really has mutant night vision or ...

Swell sharks glow in the dark, but these animals have another impressive trick that's how they got their name.

If you’d like to see the firefly petunia, Sunnyside Gardens has a dark room where you can go in, let your eyes adjust to the dark, and see the flowers in their glowing glory. You can find ...

The same thing that makes their eyes glow helps cats see better in dim light. Cletus Waldman/EyeEm via Getty Images Curious Kids is a series for children of all ages. If you have a question you ...