Firefly petunias, genetically modified with bioluminescent mushroom DNA, glow in the dark. The glow, primarily from the flowers, is most vibrant in new blooms and is similar to moonlight.

Here are all three of those designs, and Square Enix also shared a picture of the Black Box when it is glowing in the dark with us. Images via Square Enix Speaking of NieR Reincarnation ...

Created by debris left behind by the famous Halley's Comet, the Aquardis meteors are known not for appearing like flashing balls of fire, but rather for leaving long glowing trails in their wake ...

The Aquarids (also sometimes spelled Aquardiis) meteors are created by debris left behind by the famous Halley's Comet that then fall to Earth, creating "shooting stars" that leave long glowing ...

This deep-sea predator has a glowing lure on its head, used to attract prey in the pitch-black ocean depths. Common in warm areas, fireflies use glowing chemicals in their abdomens to communicate and ...