Sea fireflies spew a mucus with a chemical glow to lure mates and avoid being eaten.

Inhalable particles carrying mRNA make mouse lungs glow.

Bats use both echolocation and vision to avoid eating unpleasant fireflies.

Each year, bioluminescent microorganisms create striking displays on the beaches of San Diego.

Researchers engineered a system for bioluminescent imaging that is as much as 1,000 times stronger than existing methods.

A study of 13 starfish species reveals that even animals that live at depths where sunlight doesn’t reach have functioning eyes.

Scientists infuse plants with the luminescence of fireflies. 

Thanks to the bioluminescent bacteria inhabiting its light organ, the vividly colored southern bobtail squid (Euprymna tasmanica) can glow in the dark. 

Glowing cells mark the routes of tumor spread by way of newly formed lymph vessels.