Two 110 million-year-old spiders with eyes that still glow in the dark have been discovered trapped in shale at a fossil site in South Korea. The two specimens found belong to an extinct spider ...

In the "twilight zone" of the deep ocean, strange glowing sharks have evolved eyes that are adapted to see complex patterns of light in the dark, new research reveals. These bioluminescent sharks ...

Quirky species One such creature with an odd feature is the glow-in-the-dark cockroach, named Lucihormetica luckae, whose luminescence may help the creepy-crawly mimic toxic click beetles and ...

As if teensy night-lights were dangling from tree trunks and branches, glow-in-the-dark mushrooms illuminate the forests across the globe. Now, scientists have discovered several species of such ...

The swell shark's eyes have adapted to filter out other wavelengths of light so they can better see other sharks. Tennessee Aquarium A baby shark has hatched at the Tennessee Aquarium—and it glows.