From their flaming red bodies, they emit glowing blue lights to defend the prey in their transparent stomachs.

This article was produced by National Geographic Traveller (UK). It only takes the gentle brush of a hand or slow glide of a boat to trigger the sparkling blue-green light of bioluminescent plankton, ...

Scientists created a soft robot filled with algae that sparkles, and they plan to use it to explore the dark depths of the ocean. The bioluminescent plankton, called a dinoflagellate, glows bright ...

A newly described blue jellyfish in Japanese waters has stunned researchers with an otherworldly glow that looks less like a ...

The bay is home to a high concentration of bioluminescent plankton, which light up when disturbed by waves or movement. This creates an ethereal effect as waves crash on the shore and footsteps leave ...

You might have seen it in the Academy Award-winning film “Life of Pi” — a blue glow that grows as main character Pi swirls the water. While this might be the work of CGI in the movie, it’s actually a ...